SOLUTION: Ronald can shovel the driveway in 6 hours, but if his brother Donald helps it would take 3 hours. How long, in hours and minutes, would it take Donald to shovel the driveway alone?
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Question 1139732: Ronald can shovel the driveway in 6 hours, but if his brother Donald helps it would take 3 hours. How long, in hours and minutes, would it take Donald to shovel the driveway alone?
Answer by josgarithmetic(39616) (Show Source): You can put this solution on YOUR website!
Also notice the amounts of time given. The two brothers together take half the time as either working alone. Both each work at one job in 6 hours.
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