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Finding Percentages

Finding Percentages

Introduction: Understanding how to calculate percentages is an important math skill that you will encounter throughout your life. Leaving a tip for your server at a restaurant? You need to calculate a percentage of the bill. Want to know how much money you will save when an item is discounted? Time to do some quick mental math.

A percent is a part per 100. When calculating a percent, you are looking for the ratio out of 100. Think of one cent being equal to [math]1/100[/math] of [math]$1.00[/math]. If you have 30 cents, you have [math]30/100[/math] of a dollar or [math]30%[/math] of a dollar.


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