Question 402045
A solution contains 3% salt. How much water should be added to 20 ounces of this solution to make a 1.2% solution?
.
Let x = amount (ounces) of water to add
then
.03(20) = .012(20+x)
0.6 = .24 + .012x
0.36 = .012x
30 ounces = x