Question

A monkey climbs 30 feet at the beginning of each hour and rests for a while when he slips back 20 feet before he again stars climbing at the beginning of the next hour. If he begins his ascent at 9 a.M. Then at what time will he first touch a flag at 120 feet from the ground?

Answer 1

Answer:

it will take 12 hours

as it climbs+30

and falls -20

x(30-20)=120

x(10)=120

x=120/10=12

x=12

therefore the monley will take 12 hrs to jump till 130 feet

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