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31 August, 01:10

A runner can run 3 miles in 30 minutes. how long will it take to run 2.5

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  1. 31 August, 03:07
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    25 minutes.

    Step-by-step explanation:

    We can set up an equation: 3/30=2.5/n. This situation is directly proportional, since the number of minutes increases as the runner runs more miles.

    We can cross multiply: 3n=30*2.5

    3n=75

    n=25
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