Real math help.
What's a Percent of Change?
Note:
Lots of things in this world change their value such as cars, video games, and computers. When something either increases or decreases in value, it can be useful to know the percent of that change in value. To figure out that percent, you'll need the percent of change formula. Learn it with this tutorial!
Background Tutorials
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Solving Proportions
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How Do You Solve a Proportion Using Cross Products?
Want to solve a percent proportion? Just use the means extremes property of proportions to cross multiply! Solve for the variable, and you have your answer! Learn how with this tutorial.
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Percent Basics
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What's a Percent?
Sales tax, tips at restaurants, grades on tests... no matter what you do, you can't run away from percents. So watch this tutorial and see once and for all what percents are all about!
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Absolute Value
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What Does Absolute Value Mean?
In this tutorial you'll see how you can think of absolute value in a very intuitive way. Let us know if you have any questions about it!
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Further Exploration
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Using the Percent Proportion
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How Do You Use a Proportion to Find a Part of a Whole?
Taking a percent of a number? Trying to figure out the result? Use a percent proportion to solve! This tutorial will show you how!
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How Do You Use a Proportion to Find What Percent a Part is of a Whole?
A part is some percent of a whole. Trying to calculate the percent? Use a percent proportion to solve! This tutorial will show you how!
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Finding Percent of Change
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How Do You Figure Out a Percent of Change?
Word problems allow you to see the real world uses of math! In this tutorial, learn how to calculate the percent of increase using the percent of change formula.
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