Lesson: Challenging Problem Solving - 19

Rates: The Rate Formula And Unit Conversion, Continued

[Page 19 of 37]
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Now solve the following rate problem on your own.

Select the correct answer and then click Continue.

A long distance runner decreased her average speed by 2 miles per hour in each successive 10-minute interval after the first interval. If in the first 10-minute interval her average speed was 13 miles per hour, how many miles did she run in the third 10-minute interval?
5
1.0
1.5
2.0
2.5
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Video Lessons and 10 Fully Explained Grand Tests

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