Solving Percent Problems Using Equations

Solving Percent Problems Using Equations-88
Then, plot those decimals on a number line and compare them! Looking for some practice converting percents to fractions? Follow along as this tutorial shows you how to convert a percent to a fraction.

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Percents are important, and the reality is that percents are actually proportions in disguise.

In this tutorial you'll see exactly how to connect percents with proportions, and you'll be happier for it :) Ordering numbers from least to greatest? To make comparing easier, convert all the numbers to decimals.

This tutorial let's you see the steps to take in order to do just that! Always stay under budget by figuring out your total cost BEFORE you hit the check out.

Watch this tutorial and learn how to calculate sales tax!

Learn how to calculate percentage from this lesson.

Here, let us understand the concepts of percentage through a few examples in a much better way. The actual interpretation of percentages can be understood by the following way: The same quantity can be represented in terms of percentage occupied, which is given as: Total quantity present = 5 kg Ratio of apples (in terms of total quantity) = % Thus fraction can be converted to percentage simply by multiplying the given fraction by 100.

Thus, we can rewrite the statement above: The statement: "The part is some percent of the whole.", becomes the equation: the part = some percent x the whole Since a percent is a ratio whose second term is 100, we can use this fact to rewrite the equation above as follows: the part = some percent x the whole becomes: the part = x the whole Dividing both sides by "the whole" we get the following proportion: Since percent statements always involve three numbers, given any two of these numbers, we can find the third using the proportion above. Problem 1: If 8 out of 20 students in a class are boys, what percent of the class is made up of boys?

Analysis: In this problem, you are being asked 8 is what percent of 20?

To convert a decimal to a percent, just move the decimal point to places to the right and put a percent sign at the end!

This online calculator solves the four basic types of percent problems and percentage increase/decrease problem.


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