SOLUTION: a father and his son are painting a wall. If they paint together it takes 4 days to complete, but if the father paint it alone, it will be 6 days faster than the son paint it alone
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Question 849348: a father and his son are painting a wall. If they paint together it takes 4 days to complete, but if the father paint it alone, it will be 6 days faster than the son paint it alone. So, what is the time needed for the son to paint the wall alone? Answer by richwmiller(17219) (Show Source):
