paytonrules9724 paytonrules9724

08-06-2017
Mathematics

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One crew can seal a parking lot in 8 hours and another in 10 hours. How long will it take to seal the parking lot if the two crews work together?

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bluebruno bluebruno

08-06-2017

i want to say 6 but i am only 70% shure

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good job