Posted by **Americal** on Wednesday, March 2, 2011 at 7:56pm.

A worm up a wall 20 feet high. Each day he climbs 5 feet at night he slips down 4 feet. How many days will it take the snail to get to the top of the wall. Thanks help!

- Math -
**Ms. Sue**, Wednesday, March 2, 2011 at 7:58pm
Day 1: 0 + 5 - 4 = 1 foot

Day 2: 1 + 1 = 2 feet

And so on.

However -- watch what happens on day 15.

- Math -
**hamza**, Wednesday, March 2, 2011 at 7:58pm
20 days:)

- Math -
**Ms. Sue**, Wednesday, March 2, 2011 at 8:01pm
Hamza is wrong.

Make a chart as I did.

Watch what happens on day 16.

- Math -
**Ms. Sue**, Wednesday, March 2, 2011 at 8:02pm
Hint: It goes up 5 feet a day.

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