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5 October, 15:28

A construction crew has just finished a road. The crew worked for 2 4/5 days. If they built 3 2/7 kilometers of road each day, what is the total length of road they built?

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  1. 5 October, 18:48
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    Answer: the total length of road they built is 9 1/5 kilometers.

    Step-by-step explanation:

    The total number of days that it took the construction crew to finish the road 2 4/5. Converting 2 4/5 days to improper fraction, it becomes 14/5 days.

    If they built 3 2/7 kilometers of road each day, converting 3 2/7 kilometers to improper fraction, it becomes 23/7 kilometers.

    Therefore, the total length of road that they built is

    23/7 * 14/5 = 322/35 kilometers

    Converting to mixed fraction, it becomes

    9 1/5 kilometers
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