SOLUTION: Jeff and Kirk can build a 75 ft retaining wall together in 8 hours. Because Jeff has more experience, he could build the wall by himself 2 hours quicker than Kirk. How long would i
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Question 1165516: Jeff and Kirk can build a 75 ft retaining wall together in 8 hours. Because Jeff has more experience, he could build the wall by himself 2 hours quicker than Kirk. How long would it take Kirk to build wall by himself ? Answer by josgarithmetic(39620) (Show Source):
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