Question

In the lab, Amy has two solutions that contain alcohol and is mixing them with each other. She uses 3 times as much Solution A as Solution B. Solution A is 17% alcohol and Solution B is 14% alcohol. How many milliliters of Solution B does she use, if the resulting mixture has 520 milliliters of pure alcohol?

Answer 1

3x(.17)+ x(.14)

Explanation:

Let x = the amount of Solution B used

3x = the amount of Solution A used