Associated Topics || Dr. Math Home || Search Dr. Math

### Make 7,7,3,3 into 24 Using + - * and /

```
Date: 02/12/2002 at 14:43:44
From: Jeremy Judd
Subject: Very hard

Make the numbers 7,7,3,3 equal 24 using the operations addition,
subtraction, multiplication, and division.
```

```
Date: 02/12/2002 at 16:56:06
From: Doctor Peterson
Subject: Re: Very hard

Hi, Jeremy.

This is a tricky one, because the answer involves fractions. Think

- Doctor Peterson, The Math Forum
http://mathforum.org/dr.math/
```

```
Date: 02/12/2002 at 16:59:05
From: Doctor Schwa
Subject: Re: Very hard

This is a really hard one!

As a hint, here's how it works with 5,5,5,1:

5 * (5 - 1/5) = 24.

Can  you see a similar pattern that might work with

- Doctor Schwa, The Math Forum
http://mathforum.org/dr.math/
```
Associated Topics:
High School Puzzles
Middle School Puzzles

Search the Dr. Math Library:

 Find items containing (put spaces between keywords):   Click only once for faster results: [ Choose "whole words" when searching for a word like age.] all keywords, in any order at least one, that exact phrase parts of words whole words

Submit your own question to Dr. Math
Math Forum Home || Math Library || Quick Reference || Math Forum Search