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30 September, 10:56

A construction crew has just finished building a road. The crew worked for 2 7/9 days. If they built 2 1/5 kilometers of road each day, what is the total length of road they built? Write your answer as a mixed number in simplest form.

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  1. 30 September, 10:59
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    let 'x' represent the number of kilometers built per day

    (5 2/5) x = 12

    ((5*5 + 2) / 5) x = 12

    by solving we find

    x = 2.22 km hope this is right
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