How many ounces of a 60% salt solution must be added to 50 ounces of a 20 percent salt solution so ...

How many ounces of a 60% salt solution must be added to 50 ounces of a 20 percent salt solution so that the resulting mixture is 50% salt?

Quiz

Answer/Solution

150

Steps/Work

let x=ounces of 60% salt solution to be added
.2*50+.6x=.5(50+x)
x=150
Answer E