SOLUTION: How much water should be added to a 72 ounces of a 10% salt solution to make a 3% salt solution?

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Question 384656: How much water should be added to a 72 ounces of a 10% salt solution to make a 3% salt solution?
Answer by edjones(8007)   (Show Source): You can put this solution on YOUR website!
72*.1=7.2
x*0=0
(x+72)*.03=.03x+2.16
.03x+2.16=7.2+0
.03x=5.04
x=168 oz water.
.
Ed

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