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OpenStudy (anonymous):
Two car washers, Lydia and Jackie, are working on your car. Lydia can complete the work in 2 hours, while Jackie can complete the work in 1 hour. How many hours do the car washers take if they work together?
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OpenStudy (anonymous):
I think it will be 3/2. Here are the choices:1/2,3/2,2/3,4/3
OpenStudy (anonymous):
Anyone with an answer.
OpenStudy (mokeira):
i found 3/2 also
OpenStudy (anonymous):
thanks
OpenStudy (anonymous):
bye
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