SOLUTION: if you have a 10% salt solution and a 20% salt solution, how much of each should you mix to make 40 mL of a 14% salt solution? use linear system to determine the answers.

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Question 428441: if you have a 10% salt solution and a 20% salt solution, how much of each should you mix to make 40 mL of a 14% salt solution? use linear system to determine the answers.
Answer by jorel1380(3719) About Me  (Show Source):
You can put this solution on YOUR website!
40x.14=5.6
m+n=40
.1m+.2n=5.6
m+2n=56
n=16
m=24
You need 24 mL of 10% solution and 16 mL of 20% solution..