# Solving Percent Problems Using Equations

The word percentage and percent are related closely to each other. Percent ( or symbol %) is accompanied with a specific number. In mathematics, a percentage is a number or ratio that can be expressed as a fraction of 100, which means, a part per hundred. It is to be noted that, percentages have no dimension, hence are dimensionless numbers. For each white chocolate bar, the ratio of the number of dark chocolate boxes to the total number of white chocolate bars can be represented as a fraction.

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This calculator solves four types of percentage problems. This can be solved in two stps: Step 1: Write 15% as a decimal number: 15% = 0.15 Step 2: Multiply 0.15 and 20 to get the answer: 0.15 * 20 = 3 Type 2: The number 25 is what percentage of 80?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. 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.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?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!This tutorial shows you how to take a words problem and turn it into a percent proportion.Then see how to solve for the answer using the mean extremes property of proportions. Percents and Decimals are just tools that let us represent numbers, and that is why percents can be converted into decimals, and decimals can be converted into percents.

## Comments Solving Percent Problems Using Equations

• ###### Solve percent equations word problems 7th grade math - IXL

Improve your math knowledge with free questions in "Solve percent equations word problems" and thousands of. Write your answer using a percent sign %.…

• ###### Basic "Percent of" Word Problems - Purplemath

Demonstrates how to set up and solve 'percent of' word problems such as 'What. When you are doing actual math, you need to use actual numbers. pick a variable for the value you don't have, write an equation, and solve for that variable.…

• ###### Percentage Calculator with detailed explanation

Three basic types of percent problems and percentage increase/decrease problem. Step 1 Solve the equation 80 * x = 25. Using our numbers we have.…

• ###### Percent and Proportions Math Goodies

Becomes the equation the part = some percent x the whole. Let's solve some more percent problems using proportions. Problem 4 What is 25% of 52?…

• ###### Solving Percent Equations – TSI Assessment Preparation

P % of B is A" is the basic form of the percent equation. This can. three examples show how the percent equation can be used to solve basic percent problems.…

• ###### Using Equations to Solve Percent Problems - ppt video online.

One way to solve percent problems is by writing an equation. When writing an equation you must remember the following The word of means multiply × The.…

• ###### Percents and Percent Proportions Algebra 1 Solving Linear.

How Do You Solve a Word Problem Using a Percent Proportion? Word problems allow you to see the real world uses of math! This tutorial shows you how to. How Do You Use an Equation to Find a Part of a Whole? Taking a percent of a.…