SOLUTION: How many grams of salt must be added to 90 grams of a 20% salt solution to make a 25% salt solution?
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Question 858844: How many grams of salt must be added to 90 grams of a 20% salt solution to make a 25% salt solution?
Answer by josgarithmetic(39617) (Show Source): You can put this solution on YOUR website!
m = mass of salt to add.
;
Solve for m.
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