SOLUTION: A chef is going to use a mixture of two brands of Italian dressing. The first brand contains 7 % vinegar, and the second brand contains 12 % vinegar. The chef wants to

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Question 1159883: A chef is going to use a mixture of two brands of Italian dressing. The first brand contains
7
%
vinegar, and the second brand contains
12
%
vinegar. The chef wants to make
390
milliliters of a dressing that is
8
%
vinegar. How much of each brand should she use?

Answer by josgarithmetic(39613) About Me  (Show Source):
You can put this solution on YOUR website!
Percents 7, 8, 12;
8 is smaller distance from 7 than from 12;
Most of the "mixture" will use the 7% vinegar.

Important Fraction, %2812-8%29%2F%2812-7%29=4%2F5

Amount of the 7% vinegar, 390%284%2F5%29=312milliliters
.
.