12 workers finish job in 20 hrs how many workers will be required to finish the same job in 15 hrs
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Step-by-step explanation:
12 workers takes =20hrs
12×20worker will take =1hr. (indirect relation). because 1 worker will take more time to do that work
15 hrs will be taken by (more worker will take less time ,, that's why we divided)
12×20/15
=16workers
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