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Blake and Andy have a collection of computer games. Blake found 3 out of every 4 computer games in the collection. Andy found 18 fewer computer games than Blake. How many computer games are in their collection?

 Apr 22, 2021

Best Answer 

 #1
avatar+275 
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Lets assume there are \(x\) games in their collection. 

So, now we have 

Blake found = \({3x \over 4}\) video games 

Andy found = \({3x \over 4}-18\) video games 

Back to the question... total no. of video games are \(x\)

∴ \({3x \over 4}+{3x \over 4} -18=x\)

   \({6x \over 4}-x=18\)

   \(2x=72\)

    \(x=36\)

    

Hence, there are 36 video games in their collection. 

 Apr 22, 2021
 #1
avatar+275 
+4
Best Answer

Lets assume there are \(x\) games in their collection. 

So, now we have 

Blake found = \({3x \over 4}\) video games 

Andy found = \({3x \over 4}-18\) video games 

Back to the question... total no. of video games are \(x\)

∴ \({3x \over 4}+{3x \over 4} -18=x\)

   \({6x \over 4}-x=18\)

   \(2x=72\)

    \(x=36\)

    

Hence, there are 36 video games in their collection. 

amygdaleon305 Apr 22, 2021

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