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In the class library, 3/5 of the books are fiction books. 2/3 of the remaining books are non-fiction books. The rest are magazines. There are 10 fewer magazines than non-fiction books in the class library. How many fiction books are there altogether?

 Aug 16, 2021
 #1
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In the class library, 3/5 of the books are fiction books. 2/3 of the remaining books are non-fiction books. The rest are magazines. There are 10 fewer magazines than non-fiction books in the class library. How many fiction books are there altogether?

~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

x    => all books and magazines

 

3x/5   => fiction books

 

2/3(x - 3x/5)    => non fiction books

 

2/3(x - 3x/5) - 10    => magazines

 

 

I'm sure you can find your answer. laugh

 Aug 16, 2021
 #2
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That's what I was thinking too lol but I thought it was a bit hard to type it out. Pretty complex.

Ooflord  Aug 16, 2021

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