SOLUTION: Working together, Joe and David can clear snow from the city streets in 20 hours. working alone, joe requires 9 hours LESS than David does. How many hours would it take Joe and Dav
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Question 1136938: Working together, Joe and David can clear snow from the city streets in 20 hours. working alone, joe requires 9 hours LESS than David does. How many hours would it take Joe and David respectively to clear the streets alone? Answer by josgarithmetic(39628) (Show Source):
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