Problema Solution
In the lab, Abdul has two solutions that contain alcohol and is mixing them with each other. Solution A is 7% alcohol and Solution B is
2% alcohol. He uses 600 milliliters of Solution A. How many milliliters of Solution B does he use, if the resulting mixture is a 4% alcohol solution?
Answer provided by our tutors
let
x = milliliters of Solution B
0.07*600 + 0.02*x = 0.04(600 + x)
by solving we find:
x = 900 mL
click here to see the step by step solution of the equation:
He uses 900 milliliters of solution B.