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MathematicsMathematics
30 July, 00:55

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?

+1
Answers (1)
  1. 30 July, 01:08
    0
    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
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Home » Mathematics » 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.
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