A boy found a magical pool. Every time he jumps in the pool, the width shrinks by ⅓ and the length shrinks by ½. He jumps in the pool a total of three times. The final area of the pool is 4 square meters. The pool was originally 9 meters wide. What was the original length?

# Can You Solve The Shrinking Pool Math Problem?

The magical shrinking pool math problem will remind you of high school. You're going to need some knowledge of fractions to solve this algebra word problem.

*Related: The Spider And The Fly Math Problem*

## Here's The Problem

## Here's The Answer

## Editor's Picks: Our Favorite Fun Math Problems

### The Shrinking Pool Problem

This video depicts the same problem as above, but instead of the pool shrinking by 1/3 and 1/2 each time, it shrinks to 1/3 and 1/2 of the previous measure. Apply that language to the problem and you'll get the same answer as is stated in this video.

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**Math Meeting**

### The Tetrahedron Puzzle

This one seems a lot easier than it really is.

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### The Three Square Geometry Problem

Proof that geometry can be really fun.

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**Numberphile**