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It takes two utility workers 5 hrs. to sweep the ground. How long would it take 8 utility workers to do the same job? ​

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It takes two utility workers 5 hrs. to sweep the ground. How long would it take 8 utility workers to do the same job? ​

ANS. 1.25 hrs.

SOLUTION.

- 2 (workers) x 5 ( hrs.) = 10 (work)

- t' = 10 / 8 = 1.25 hrs.

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