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OpenStudy (anonymous):
Work-Rate Problem Help? Ricky and Sarah, working together, can paint a house in 19 hours. It would take Randy 36 hours to paint the house by himself. How long would it take Sandy to paint the house by herself?
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OpenStudy (anonymous):
1/13h + xh = 36 ................... h=19 19/13 - 36 = -19x Do the rest
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