it took 15 workers 45 minutes to unpack a bag, how long will it take 20 workers working at the same rate
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the correct answer is sixty
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Total time required is 1 hour or 60 minutes.
Explanation:
15 workers------- 45 mts
20 workers---------?
Cross multiplying,
We get,
15 * x = 45 * 20
x = 60 minutes
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