Problema Solution
How many ounces of a %25 alcohol solution must be mixed with 3 ounces of 30% alcohol solution to make a 26% alcohol solution?
Answer provided by our tutors
let
x = ounces of 25% alcohol solution
y = 3 ounces of 30% solution
by mixing x and y we get x + 3 gallons of a 26% solutions
0.25*x + 0.30*3 = 0.26*(x + 3)
by solving the equation we find
x = 12 ounces
we need 12 ounces of 25% alcohol solution.