SOLUTION: Twin brothers, Billy and Bobby, can mow their grandparent's lawn together in 74 minutes. Billy could mow the lawn by himself in 35 minutes less time than it would take Bobby. How l
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Question 1066485: Twin brothers, Billy and Bobby, can mow their grandparent's lawn together in 74 minutes. Billy could mow the lawn by himself in 35 minutes less time than it would take Bobby. How long would it take Bobby to mow the lawn by himself? Answer by josgarithmetic(39616) (Show Source):