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OpenStudy (anonymous):
a worker in an assembly line takes 2hrs to produce 120 parts. at that rate how many parts can she produce in 9 hrs
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OpenStudy (anonymous):
how you get that
OpenStudy (anonymous):
2hr = 120 9hr = x cross multiply
OpenStudy (anonymous):
ok thank you
OpenStudy (anonymous):
8 hours is 2*4. This means that you multiply 120 by 4. Then in one hour she makes 60. Add them together.
OpenStudy (anonymous):
ok i get it
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OpenStudy (anonymous):
So I think it is 540
OpenStudy (anonymous):
thats what i came up with
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