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27 January, 09:54

Molly road her bike 15 3/4 miles in 3/4 of an hour. what was his average speed in miles per hour?

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  1. 27 January, 12:19
    0
    21 miles per hour

    Step-by-step explanation:

    15 3/4=63/4

    (63/4) / (3/4) = x/1

    cross product

    (3/4) x = (63/4) (1)

    3/4x=63/4

    x = (63/4) / (3/4)

    x = (63/4) (4/3)

    x=63/3

    x=21
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