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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 
about the fraction 24/7.

- 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
your four numbers?

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