SOLUTION: A frog is in the bottom of the well which is 20feet.if it goes up 4feet &goes down 3feet. How many day does it take to be at the top of the well?

Question 306657: A frog is in the bottom of the well which is 20feet.if it goes up 4feet &goes down 3feet. How many day does it take to be at the top of the well?
Answer by ichudov(507) (Show Source): You can put this solution on YOUR website!
If I understand you right, every day it goes up 4 feet, and then goes down 3 feet. So, every day it goes up one foot. After 16 days like this, it will be up 16 feet. On the next 17th day, it will go up 4 feet and will reach the top of the well. So, the answer is 17 days.
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