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27 December, 23:01

A worker in an assembly line takes 2 hours to produce 120 parts. At that rate how many parts can she produce in 9 hours?

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  1. 27 December, 23:06
    0
    First we find one hour rate means 120 / 2 = 60 means 60 parts in one hour so now we will find 9 hours rate just multiply 60 by 9 = 540
  2. 27 December, 23:30
    0
    120 parts / 2 hours = 60 parts per hour

    60 parts per hour * 9 hours = 540 parts
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