Question 1027401
Call the number of gallons of 2% salt solution, x.
Then the setup looks like this:
.02x + .08(100) = .03(100 + x)
Now we solve for x.
.02x + 8 = 3 + .03x
Subtract 3 and subtract .02x from both sides and get
5 = .01x
Divide by .01 and get
x = 500 gallons of 2% salt solution