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12 November, 02:21

Jessie paints 2 2/7 tiles in 1 1/2 hour. How many tiles can she paint per hour?

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  1. 12 November, 02:30
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    Divide the number of times painted in the time it took.

    To divide rewrite the numbers as improper fractions:

    2 2/7 = 16/7

    1 1/2 = 3/2

    NoW set up the equation:

    16/7 / 3/2

    When you divide fractions flip the second number over and multiply:

    16/7 x 2/3 = (16 x 2) / (7x3) = 32/21

    Rewrite as a mikes number:

    1 11/21 tiles per hour
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