SOLUTION: A chemist needs 140 milliliters of a 33% solution but has only 11% AND 395 solutions available. Find how many milliliters of each that should be mixed to get the desired solution.

Question 608133: A chemist needs 140 milliliters of a 33% solution but has only 11% AND 395 solutions available. Find how many milliliters of each that should be mixed to get the desired solution.
Answer by Alan3354(69443) (Show Source): You can put this solution on YOUR website!
A chemist needs 140 milliliters of a 33% solution but has only 11% AND 395 solutions available. Find how many milliliters of each that should be mixed to get the desired solution.
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I think you mean 39%
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e = amount of 11%
t = amount of 39%
---
e + t = 140
11e + 39t = 100*140
etc

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