In the lab, Maria 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

20%

alcohol. How many milliliters of Solution B does she use, if the resulting mixture has

213

milliliters of pure alcohol?

Question

Mathematics

Lena Nichols

28 May, 08:57

In the lab, Maria 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

20%

alcohol. How many milliliters of Solution B does she use, if the resulting mixture has

213

milliliters of pure alcohol?

+4

Answers (1)

Know the Answer?

String Bean · Answer 1

the answer is 53.35 ml of solution B

Working - there are 4 parts in total (1 part solution B and 3 parts solution A)

therefore 213 divide 4 = 53.24 ml

Check - 53.25 x 1 = 53.25

and 53.25 x 3 = 159.75

Add 53.25 and 159.75 = 213