A monkey climbs 30ft at the beginning of each hour and rests for a while when he slips back 20 feet before he again starts climbing in the beginning of the next hour. If he starts at 8am,at what will he first touch a flag at 120 feet from the ground?
A monkey climbs 30ft at the beginning of each hour and rests for a while when he slips back 20 feet before he again starts climbing in the beginning of the next hour. If he starts at 8am,at what will he first touch a flag at 120 feet from the ground?
Explanation
