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Question

The height of a flag pole is 30 feet. Grease is applied to the pole. A monkey attempts to climb the pole.He climbs 3 feet for every second, but slips down 2 feet in the next second. When will the monkey reach the top of the flag pole?

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Solution

In2seconds,themonkeyclimbsanetdistanceof1feet.Timetakentoreach27feet=54seconds.Nowmonkeywillclimb3geettoreach30feetin1moresecond.Totaltime=55seconds

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