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What is the value of X

 

 Oct 1, 2020
 #1
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30 is to 25     as    4x-4  is to 20

 

30/25  =  (4x-4) / 20 

 Oct 1, 2020
 #2
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1/       25 / 20 = 30 / 4x-4

 

2/       20 / 25 = 4x-4 / 30

 

3/       30 / 25 = 4x-4 / 20

 

4/       25 / 30 = 20 / 4x-4

 

wink

 Oct 1, 2020

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