SOLUTION: A chef is going to use a mixture of two brands of Italian dressing. The first brand contains 8% vinegar, and the second brand contains 13% vinegar. The chef wants to make 230 milli

Question 1193647: A chef is going to use a mixture of two brands of Italian dressing. The first brand contains 8% vinegar, and the second brand contains 13% vinegar. The chef wants to make 230 milliliters of a dressing that is 12% vinegar. How much of each brand should she use?
Found 2 solutions by Boreal, josgarithmetic:
Answer by Boreal(15235) (Show Source): You can put this solution on YOUR website!
x at 0.08
230-x of 0.13
want 230 of 0.12 which is 27.6 ml of pure
so 0.08x+0.13(230-x)=27.6
0.08x+29.9-0.13x=27.6
-0.05x=-2.3
multiply by -20 both sides
x=46 ml of 0.08 (3.68)
230-x=184 ml of 0.13 (23.92)

Answer by josgarithmetic(39613) (Show Source): You can put this solution on YOUR website!
first brand, 8% vinegar
second brand, 13% vinegar
Mixture to be 230 mL of 12% vinegar

v, amount of the 13%
230-v, amount of the 8%

--------solve this for v.

.
.
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