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21 April, 05:09

State what kind of variation you have, then solve the problem. A 15-person road crew is scheduled to finish repairing a highway in 8 days. On the morning of the fifth day, several new workers join the crew and together they complete the remaining repairs in 2 days. How many new workers were there?

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  1. 21 April, 07:47
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    ==> 6 (15+x) = 120

    ==> 15+x = 20

    ==> x = 5.

    Therefore five new workers joined the crew.
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