Unit 24 Finding the Percent
Change,
Part 3 Decimals, Ratios, Rates, Proportions, Percentages
Answers Units 113
Units 1424 Units
25 38
Units 3949
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Index of
Practice Problems
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1) If something increased from 45 to 54,
what was the percent increase?

2) If something decreased from 60 to 36, what was the percent decrease? 
3) If 48 was decreased by 25%, what
would be the result?

4) What is the result when 25 is decreased by 40%? 
5) Tom's salary increased from $240 to
$288. What was the percent of change?

6) A $25 shirt was marked down by 15%. What was the discount? 
7) Mary decreased her time in the mile
walk from 30 minutes to 24 minutes.
What was the percent decrease?

8) John would like to increase his 140 bowling average by 25%. How many additional pins must he knock down? 