Question 500305: how many quarts of a 15% salt solution must be mixed with 8 quarts of a 25% salt solution to obtain a 17.5% salt solution? Answer by nerdybill(7384) (Show Source):
You can put this solution on YOUR website! how many quarts of a 15% salt solution must be mixed with 8 quarts of a 25% salt solution to obtain a 17.5% salt solution?
Let x = amount (quarts) of 15% solution
then
.15x + .25(8) = .175(x+8)
.15x + 2 = .175x+1.4
.15x + .6 = .175x
.6 = .025x
24 quarts = x
