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.