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Math Topics

Prealgebra

Percent

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1
Percents, Decimals, and Fractions

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Percent Problems

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General Applications of Percent

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Sales Tax and Commission

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Percent Increase or Decrease, and Discount

In 1986 there were approximately \(1,793,000\) arrests for driving under the influence of alcohol or drugs (DUI) in the United States. By 1997, the number of arrests for DUI had decreased \(17.6\%\) from the 1986 number. How many people were arrested for DUI in 1997? Round to the nearest thousand.

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Interest

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Pie Charts

The pie chart shows where a group of freshmen students live. Use the pie chart to answer the following questions:

Find the total number of students surveyed.

Find the ratio of those living in the dorms to the total surveyed.

Find the ratio of those living in their parentsÃ¢â‚¬â„¢ homes to those living in apartments.