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Completely forgot how to solve these:

Find the missing values: 7:4:10=x:y:30

 

Thanks in advance!

 Oct 11, 2017
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Never mind, I figured it out.

 

1. 7410=xy30

 

2. 3374=x4

 

3. 2112=xy

 

Finally: x=21;y=12

 Oct 11, 2017

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