(a-25) x 100 / a = 30Solve for a

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Robert · Accepted Answer

Given equation: (a - 25) x 100/a = 30  
By cross multiplication,  
(a - 25) x 100 = 30a  
By distributive property, 
100a - 25 x 100 = 30a 
100a - 2500 = 30a 
100a - 30a = 2500 
(100 - 30)a = 2500 
70a = 2500 
a = 2500/70 
a = 250/7
So, we got the value of a as 250/7.

(a-25) x 100 / a = 30 Solve for a

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