SOLUTION: How much of an 8% solution must you mix with 50 gallons of a 12% solution to get a 10% solution?

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Question 843142: How much of an 8% solution must you mix with 50 gallons of a 12% solution to get a 10% solution?
Answer by ewatrrr(24785) About Me  (Show Source):
You can put this solution on YOUR website!
 

Hi,

How much highlight_green%28x%29 of an 8% solution must you mix with 50 gallons of a 12% solution to get a 10% solution?

 .08x + .12•50g = .10(50g+x)

         .02•50g/.04= x