SOLUTION: In the lab, Brian has two solutions that contain alcohol and is mixing them with each other. He uses 3 times as much Solution A as Solution B. Solution A is 20% alcohol and Soluti

Algebra ->  Linear-equations -> SOLUTION: In the lab, Brian has two solutions that contain alcohol and is mixing them with each other. He uses 3 times as much Solution A as Solution B. Solution A is 20% alcohol and Soluti      Log On


   

Question 1147374: In the lab, Brian has two solutions that contain alcohol and is mixing them with each other. He uses 3 times as much Solution A as Solution B. Solution A is 20% alcohol and Solution B is 17% alcohol. How many milliliters of Solution B does he use, if the resulting mixture has 154 milliliters of pure alcohol?
Answer by josgarithmetic(39617) About Me  (Show Source):
You can put this solution on YOUR website!
b, volume solution B
3b, volume solution A

0.2%2A3b%2B0.17b=154
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0.6b%2B0.17b=154
0.77b=154
highlight%28b=200%29%2Aml