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Study Review
Percents
The following are concepts and skills that you will need to know to
be successful on a chapter test. If you are unsure of any of these, use
the One Page Reviews to jog your memory or go to the book, Math,
you can do it!
Keep in mind percents problem can be solved using ratio and proportion
Converting Percents to Fractions
Write the number in front of the percent symbol (%) as the numerator and write the denominator as 100. Simplify.
Converting Fractions to Percents
Divide the numerator by the denominator, convert the decimal to a percent by moving the decimal point 2 places to the right.
Write equivalent fractions using 100 as the denominator
Converting Percents to Decimals
Rewrite the percent as a fraction with a denominator of 100. Move the decimal point 2 places to the left.
Converting Decimals to Percents
Move the decimal point 2 places to the right.
Fraction-Decimal-Percent Equivalence Chart
Memorize equivalences for ease in doing arithmetic. ½, 1/3, ¼, 1/5, 1/8 , 1/10 and their multiples
Solving Percent Word Problems
Use the Percent Proportion
[pic]
Set the problems up algebraically
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