how would you write out problem to solve it: A worker in an assembly line takes 2 hours to produce 120 parts. At the rate how many parts can she produce in 9 hours?
120/2*9 = 540. First, by dividing the 120 by 2 you obtain the number of parts produced in 1 hour. To find the number produced in 9 hours, you multiply by 9. At the rate, in 9 hours she can produce 540 parts.
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Asked 1/10/2013 6:54:16 AM
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