Posted by **Haley** on Tuesday, March 1, 2011 at 6:55pm.

a Frog is at the bottom of a 21 foot well. The frog jumps up 4 feet, and then falls back 2 feet. How many jumps will it take for the frong to jump out of the well?

- Math -
**alx**, Tuesday, March 1, 2011 at 6:58pm
11 junps

- Math -
**Ms. Sue**, Tuesday, March 1, 2011 at 7:00pm
The frog progresses 2 feet at each jump.

Be careful of the last jump. When the frog jumps up 4 feet, it will be at the top.

- Math -
**Haley**, Tuesday, March 1, 2011 at 7:10pm
10 Jumps Thanks for all your help.

- Math -
**alx**, Tuesday, March 1, 2011 at 7:14pm
Yea, sry my bad. She's totally correct. By the 9th jump the frog is at 18 feet, 3 feet away. the 10th jump will allow it to free from the well.

## Answer This Question

## Related Questions

- 5th grade math - Three frogs had a race on a 1000 chart. Freaky Frog took 30 ...
- maths - Frog jumps 3 m high and falls back 2 m. How many jumps does it come out ...
- brilint stars - there is a frog inside a well 40 m deep. the frog jumps 3 m high...
- brilient stars - there is a frog inside a well 40m deep.the frog jumps 3m high ...
- MATH - A FROG JUMPS A DISTANCE OF 25CM ON EACH JUMP.IF THE FROG JUMPS 6 TIMES ,...
- Physics - A frog with a mass of .14kg jumps by extending its legs 13.5cm, ...
- 4th grade math - A frog made 3 jumps. The first was 12 5/6 inches. The second ...
- +1 SCIENCE PHYSICS - A FROG SAW AN INSECT ON THE GROUND AT A HORIZONTAL DISTANCE...
- Math - Barbara is playing a game. She jumps forward 5 feet, and then steps ...
- pre-calc - path of a frogs leap: a frog leaps from a box 3 feet high and lands 4...

More Related Questions