# SOLUTION: how many gallons of water must be added to 20 gallons of 15% salt solution if the resulting solution is to only contain 11% salt

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 Question 383908: how many gallons of water must be added to 20 gallons of 15% salt solution if the resulting solution is to only contain 11% saltAnswer by ankor@dixie-net.com(15746)   (Show Source): You can put this solution on YOUR website!how many gallons of water must be added to 20 gallons of 15% salt solution if the resulting solution is to only contain 11% salt : Let x = amt of water required .15(20) = .11(x+20) 3 = .11x + 2.2 3 - 2.2 = .11x .8 = .11x x = x = 7.273 gal : : See if that is true, the amt of salt should be the same .15(20) = .11(27.273) 3 ~ 3.00