SOLUTION: Tommy can paint a fence in 9 hours. If his friend Huck helps, they can paint the fence in 1 hour. How fast could Huck paint the fence by himself?
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Question 1065124: Tommy can paint a fence in 9 hours. If his friend Huck helps, they can paint the fence in 1 hour. How fast could Huck paint the fence by himself?
Answer by math_helper(2461) (Show Source): You can put this solution on YOUR website!
Tommy paints 1/9 fence in one hour
Huck + Tommy paint 1/1 fence in one hour
Huck paints (1/1) - (1/9) = (9/9)-(1/9) = 8/9 fence per hour
Thus, Huck can paint the fence in 9/8 hour or hours (1hr and 7 min 30 sec)
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