SOLUTION: To increase the sugar concentration of a solution from 15% to 40%, how many ounces of pure sugar must be added to 80 oz. of the 15% solution?

SOLUTION: To increase the sugar concentration of a solution from 15% to 40%, how many ounces of pure sugar must be added to 80 oz. of the 15% solution?

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Question 924796: To increase the sugar concentration of a solution from 15% to 40%, how many ounces of pure sugar must be added to 80 oz. of the 15% solution?

Answer by ewatrrr(24785) (Show Source): You can put this solution on YOUR website!
x the ounces of pure sugar to be added
.15(80oz) + 1(x) = .40(80oz + x)
x = .25(80oz)/.6 = 33 1/3 oz, the ounces of pure sugar to be added
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