Asked by Tina

There is a well that is 21 feet deep, in that well is a frog, every day it dumps up 3 feet and at night it falls back 2 feet,how many days will it take the frog to come out the well?
Answered by oobleck
After 18 days, it has climbed 18 feet
On day 19 it jumps the last 3 feet and is out