SOLUTION: how many gallons of a 12%- salt solution must be mixed with 6 gallons of a 20%-salt solution to obtain a 15%-salt solution?
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Question 882524: how many gallons of a 12%- salt solution must be mixed with 6 gallons of a 20%-salt solution to obtain a 15%-salt solution?
Answer by ewatrrr(24785) (Show Source): You can put this solution on YOUR website!
.12x + .20(6G) = .15(6G + x)
.05(6G)/.03 = x
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