juanyjuan2000osuivg juanyjuan2000osuivg

20-08-2017
Mathematics

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Dirk can clean a playground in 5 hours. Geralyn can clean a playground in only 4 hours. Which of the following can be used to determine the amount of time it would take for Dirk and Geralyn to clean a playground together?

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sheree2 sheree2

20-08-2017

It would take 1hr because if you subtract the hrs

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