SOLUTION: The first brand contains 9% vinegar, and the second brand contains 14% vinegar. The chef wants to make 200 milliliters of a dressing that is 11% vinegar. How much of

Question 928726: The first brand contains
9%
vinegar, and the second brand contains
14%
vinegar. The chef wants to make
200
milliliters of a dressing that is
11%
vinegar. How much of each brand should she use?
Answer by Alan3354(69443) (Show Source): You can put this solution on YOUR website!
Do it like this one. Only the numbers are different.
-----------
Amanda wants to make 8 gal. of a 20% saline solution by mixing together a 56% saline solution and a 8% saline solution. How much of each solution must she use?
================
e = amount of 8%
f = amount of 56%
---
e+ f = 8 (total solution)
8e + 56f = 20*8 (total saline)
---
e+ f = 8
e + 7f = 20
------------ Subtract
-6f = -12
f = 2
e = 6
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