SOLUTION: Twin brothers, Billy and Bobby, can mow their grandparent's lawn together in 113 minutes. Billy could mow the lawn by himself in 40 minutes less time that it would take B
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Question 1145945: Twin brothers, Billy and Bobby, can mow their grandparent's lawn together in 113 minutes. Billy could mow the lawn by himself in 40 minutes less time that it would take Bobby. How long would it take Bobby to mow the lawn by himself? Answer by ikleyn(52781) (Show Source):
