Business Math For Dummies
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It is easy to convert percents to decimals and decimals to percents. For example, to convert a percent to a decimal, you drop the percent sign (%) and move the decimal point two places to the left. That’s all there is to it. Remember that in a whole number, the decimal point comes at the end. For example,

2.5% = 0.025

4% = 0.04

36% = 0.36

111% = 1.11

To convert a decimal to a percent, you move the decimal point two places to the right and add a percent sign (%):

0.07 = 7%

0.21 = 21%

0.375 = 37.5%

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Mary Jane Sterling taught algebra, business calculus, geometry, and finite mathematics at Bradley University in Peoria, Illinois, for more than 30 years. She is the author of several For Dummies books, including Algebra Workbook For Dummies, Algebra II For Dummies, and Algebra II Workbook For Dummies.

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