SOLUTION: Kim and Josh can clean a house together in 4 hours. If it takes Kim 7 hours to clean the house by herself, how long would it take josh to clean the house alone? Leave your answer i
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Question 738299: Kim and Josh can clean a house together in 4 hours. If it takes Kim 7 hours to clean the house by herself, how long would it take josh to clean the house alone? Leave your answer in improper fraction form.
Answer by richwmiller(17219) (Show Source): You can put this solution on YOUR website!
1/7+1/x=1/4
x=28/3
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