Amy ran 8 miles. She recorded how long it took her to run each mile, rounded to the nearest 1/4 of a minute. How long did it take Amy to run her slowest and fastest mile combined?

16 minutes.

Step-by-step explanation:

Given that the:

Distance covered = 8 miles

And it took her to run each mile, rounded to the nearest 1/4 of a minute.

Since it is a minute ( 1 minute ), add 0.25 to 1 for the fastest and subtract 0.25 from 1 for the slowest.

That is, 1 + 0.25 = 1.25 for maximum time, and 1 - 0.25 = 0.75 for the minimum.

For the Army slowest , 8 × 0.75 = 6 minutes

For the Army fastest, 8 × 1.25 = 10

Amy runs her slowest and fastest mile combined by adding the value of the slowest to the value of the fastest.

10 + 6 = 16 minutes

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step-by-step explanation: