SOLUTION: a women can do a task in 9 hours,if she work with her daughter they finish work in 6 hours,how many hours will daughter take to complete the task alone?
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Question 807206: a women can do a task in 9 hours,if she work with her daughter they finish work in 6 hours,how many hours will daughter take to complete the task alone?
Answer by richwmiller(17219) (Show Source): You can put this solution on YOUR website!
6/9+6/d=1
2/3+6/d=1
6/d=1/3
d=18
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