Mathematics, 04.01.2020 04:31 ttangelique
Rosa can clean a house in 7 hours. when rosa and amy work together, they can clean a house in about 4.2 hours. about how long will it take amy to clean a house if she works by herself?
11 h
10.5 h
10 h
9.5 h
Answers: 1
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Rosa can clean a house in 7 hours. when rosa and amy work together, they can clean a house in about...
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