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How many gallons of a 25% acid solution should be added with 10 gallons of a 12% acid solution to obtain a 20% acid solution

 Aug 5, 2021
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Sum of ingredients = sum in final solution

 

x = amount of 25 %         acid content:  .25x

10 = amount of 12%                             .12(10)

 

fianl product = .20 (10+x)

 

.25x + .12(10) = .20 (10+ x)        solve for 'x' =  the amount of 25% to be used in gallons

 Aug 5, 2021

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