Finding Percents

In chemistry you come across problems which ask you to find the percent by mass and percent composition of each element in a chemical compound. To do this the first step is to compute the molar mass. Use the periodic table to look up the mass of individual atoms and multiply i ...more

This how-to video is about how to find a number when its percent is given. This video is really helpful and effective in finding the number when the percent is given, the following steps are explained in the video to find the number when its percent is given: 1)Convert the p ...more

This video shows us the method to find the percent increase or decrease in a quantity. This can be done in 30 seconds. The formula states that the percentage increase or decrease is equal to the product of the ratio of amount (increase or decrease) and the original amount and ...more

This video will provide you with insight into how to find a number given its percent. In the example provided, you needed to find the number which 33 is 60% of. This was achieved by simply taking the number which is a percentage of another number, in this case 33, and divide i ...more

In this tutorial, we learn how to find the percent of a number. First, take the percent and convert it into a decimal. Then, multiply this by your other number. After this, you will come up with the answer to the problem. An example of this would be if you had the question: wh ...more

This video shows us the method to find the percent sign on Blackberry. The first step involves going to a place on the Blackberry where text can be inserted. This place is ideal for inserting a % sign. Look in the keypad carefully. There are various keys in it. Search for the ...more

Finding the percent of a given value is made simple and easy in this math tutorial video. In step one you must divide the part or the portion by the whole. As a result we obtain a decimal number. In step two, we must then move the decimal point two places to the right in order ...more

New to Microsoft Excel? Looking for a tip? How about a tip so mind-blowingly useful as to qualify as a magic trick? You're in luck. In this MS Excel tutorial from ExcelIsFun, the 340th installment in their series of digital spreadsheet magic tricks, you'll learn how to use the ...more

Having trouble figuring out percentages? If so, you'd be well served to give this free math lesson 100% of your attention. After watching it, you'll be able to answer questions like, "What's 25% of 38?" or "What's 38% of 25?" For more information on calculating percentages wit ...more

In this video, the instructor shows how to identify the percentage change using proportions. When a given quantity increases or decreases by certain amount then we can calculate the percentage change in the quantity, which can be either increase or decrease based on the new va ...more

Whether you're shopping for deals, need help with a little math, or any number of other occasions, it's a valuable skill to know how to quickly figure out a percentage given two numbers. Let's say you're shopping and you come across a pair of shoes that are normally $45, but ...more

In this math made simple series of tutorials the author shows how to find a percent of a number. He shows that to compute x percentage of something we need to movie decimal point in the percentage number two places to the left. There fore to compute the percentage of a number ...more

In this tutorial the author explains of how to compute percentages of a given number. He explains that x percent of some number y is x multiplied by y and divided by 100. He says that of means multiply and percentage means for hundred. He goes on and explains this concept with ...more

In Chemistry weight of some elements are measure in the form of Average Atomic Mass. Isotopes are found in different abundances in nature. Certain elements have many isotopes and certain elements have few isotopes. Regardless of the number of the natural isotopes, the weighted ...more

In this video, we learn how to calculate compound interest. Start with your example of investing $2000 at 3% interest over four years. Now, write down how much you have at the start of year one. To find the percent of this you will need to simply do the amount divided by one h ...more

If you use Microsoft Excel on a regular basis, odds are you work with numbers. Put those numbers to work. Statistical analysis allows you to find patterns, trends and probabilities within your data. In this MS Excel tutorial from everyone's favorite Excel guru, YouTube's Excel ...more

If you use Microsoft Excel on a regular basis, odds are you work with numbers. Put those numbers to work. Statistical analysis allows you to find patterns, trends and probabilities within your data. In this MS Excel tutorial from everyone's favorite Excel guru, YouTube's Excel ...more

If you use Microsoft Excel on a regular basis, odds are you work with numbers. Put those numbers to work. Statistical analysis allows you to find patterns, trends and probabilities within your data. In this MS Excel tutorial from everyone's favorite Excel guru, YouTube's Excel ...more

Play a spooky prank that preys on the most basic fear that one day haunted computers will rise up and destroy us all. Step 1: Learn about AutoCorrect Familiarize yourself with Word’s AutoCorrect feature. The program automatically fixes frequently misspelled words. You can eas ...more

When you need to crunch numbers quickly — and I mean really quickly — there's a cool method you can use to multiply two numbers together in just a few seconds. This is great when you need to speed through multiplication homework, and is also good for impressing your math teac ...more

In this video, we learn how to increase or decrease by a percentage. First, to increase you will need to find what the percent of the number is. To do this, you will find 10%, which should be very easy. As soon as you've found this, you can add or subtract to find the percent ...more

We know the method for answering the question "What is the x percent of y" but, what about the answer to the following question "The x percent discounted price of an article is y. Find the original price." This is a reverse percentage problem that can be solved using the metho ...more

Not everything at the dollar store is a bargain, or even safe to use. Learn to spot the difference between an item that's cheap, and a cheap item. Step 1 Make sure the item really is just $1. Some so-called dollar stores sell items for a lot more as well, which you may not re ...more

Looking to get an FHA loan? The Federal Housing Administration, FHA for short, provides mortgage insurance on loans made by FHA-approved lenders throughout the U.S. Here's how to get your FHA-insured loan. Learn how to get one with help from this video. What you will need: • ...more

Want to win the prize? Knowing a little math is the key to winning this popular contest. In this video, learn how to estimate correctly. You Will Need: • A jar filled with spherical or oblate spheroid candies • Calculator • Tape measure • Vernier calipers (optional) • Co ...more

A middle school has 1200 students. Of these, 25% are in the eighth grade. Yesterday, 95% of all eighth graders were present. How many eighth-grade students were absent yesterday? Solution First, we need to find the total number of eighth grade students at this school. 25% o ...more

Cell phones companies are constantly claiming to have the best service in town; but more often than not your service will be patchy. Check out this tutorial for information on how to boost your phone's signal and get the best reception. You Will Need * A fully charged cell pho ...more

Tired of walking everywhere? Does your only ride have two wheels and a bell? Check out this video and learn tips and tricks for convincing your parental units to buy you a car. Pretty soon you will be cruising through town and the envy of all your friends. You Will Need * Gas, ...more

This video explains how to calculate percentages in your head. To calculate a percentage in your head, start by breaking the percentage off into smaller units. For example 25% is 10 + 10 + 5. 30% is 10, 10, and 10. Now you have numbers you can easily work with in your head. Fi ...more

With social networking systems, YouTube comments chains, chat rooms, bulletins boards, Twitter updates... It seems as if almost everyone has at one time publicly stated an opinion on the Internet. Nearly half of all prospective employers research job applicants online. Make su ...more

If you fear you're off to summer school, ease the stress of uncertainty with some simple math and know when to seek help with your grades. You Will Need * A four point grading scale * Recent grades * A pen and paper * A calculator Step 1: Find a grading scale Find a four-poin ...more

Put yourself in the shoes of a burglar so you can anticipate where they'd look for your valuables. You Will Need * A home safe * An empty cereal box Step 1: Understand the burglar's motivation Understand that the burglar has two goals: to find your valuables, and to get in an ...more

Self-injuring with knives or razor blades is a dangerous attempt at coping with problems like anger and anxiety. Learn how to get help and deal with your feelings more constructively. You Will Need * Therapy * A psychiatrist * Relaxation techniques * Substitutes for self-injur ...more

It's the most frustrating thing in the world: You're in the middle of a story and can't think of the word or name you need. Retrieve it fast with these tricks. You Will Need: * Hand gestures * Eye movements * The alphabet * The ability to forget Step 1 Move or wave your hands ...more

Prevent yourself from peeing in your pants with these tricks. You Will Need: * A sexual fantasy * Butt squeezes Warning: Don’t hold in your urine if you have a bladder infection; it will make the condition worse by allowing the bacteria to flourish. Step 1: Fantasize about s ...more

A better body image in six steps, and dieting isn't one of them. This video will show you how to build a better body image. You Will Need * A mirror * A bra that fits * Some sexy underwear * And good posture * A yoga class * A masseur Step 1. Have a bra fitting Get profess ...more

Learn how to relieve menstrual cramps with acupressure. Don't suffer through one more bout of period pain. Instead, try this trick from the ancient Chinese healing art acupressure. You Will Need * Two Hands WARNING: If you feel pain when using acupressure, stop immediately. ...more

It's a notoriously preconceived notion that a man has to ask the woman out. But why can it not work both ways? It does, and it's the best way to bag the man of your dreams, especially if he's the shy type. If you're tired of waiting for your prince to appear with a Manolo Blah ...more

So you need to find the p-value for your hypothesis test. To do so, employ the spreadsheet program Microsoft Excel. Using a simple formula, you can easily determine the p-value for your tests and thereby conclude strong or weak support of the null hypothesis. Probability valu ...more

Ever think you could lose weight from eating MORE food? Well, if you love to nosh, Volumetrics is the right diet plan for you. Volumetrics is based on the density of food, and how it will be absorbed into your body. If you think this might be right for you, give it a try! Good ...more

If your old clothes are of high quality and in good shape, selling them on consignment is an easy way to make cash quickly. closet Step 1: Find shops Look in the yellow pages or search online under “consignment,” “resale,” or “secondhand” to see what’s in your area. Step 2: ...more

If it's all you can do to drag yourself through the day, why not increase your stamina with these time-honored techniques. Watch this video to learn how to boost energy naturally. Step 1. Eat protein for breakfast Start the day with protein, like eggs, yogurt, or peanut butt ...more

Learn how to mingle. If the idea of walking into a room full of strangers strikes fear into your heart… welcome to the club. But there are ways to overcome this common social phobia. You Will Need * A little bravery * Business cards * A little bravery * Business cards Step ...more

Learn how to get your body bikini ready. Try these proven methods to get an awesome bathing suit bod. You Will Need * Self-discipline * A place to swim * A pedometer * A natural bristle body brush * A Zen attitude Step 1. Flatten your tummy For washboard abs, start pedali ...more

In this lesson we will learn how to solve probability problems involving a spinner. A probability measures the likelihood of a certain event. It always ranges between 0 and 1. The following formula can be used to find the probability of a particular event: P(event) = the num ...more

If you're a fan of chicken fillets and drumsticks, you may find yourself spending more money than you'd hope at the grocery store, picking up prepackaged and sliced portions of meat. But sometimes, the cheapest way to eat is to do the hard work yourself. This video will concen ...more

If you use Microsoft Excel on a regular basis, odds are you work with numbers. Put those numbers to work. Statistical analysis allows you to find patterns, trends and probabilities within your data. In this MS Excel tutorial from everyone's favorite Excel guru, YouTube's Excel ...more

This video shows you how to calculate the percentage yield in chemistry. To find the percentage yield, you will need to divide the actual yield by the theoretical yield. Then, multiply it by 100: i.e. % yield = actual yield/theoretical yield x 100. An actual yield is the amoun ...more