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02-04-2015
Mathematics

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determine the unit rate of a marathon runner who travels 5/2 miles in 1/4 hour

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cclemeno cclemeno

02-04-2015

5/2= 2 1/2 miles 2 1/2 mi x 4= 10 MPH

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02-04-2015

Divide the two numbers.

5/2 / 1/4

Flip the 2nd fraction and multiply:

5/2 * 4/1

20/2

10

So the marathon runner travels at a unit rate of 10 MPH.

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