SOLUTION: A chef is using a mixture of two brands of Italian dressing. The first brand contains 5% vinegar, and the second brand contains 8% vinegar. The chef wants to make 240 milliliters

Question 1060095: A chef is using a mixture of two brands of Italian dressing. The first brand contains 5% vinegar, and the second brand contains 8% vinegar. The chef wants to make 240 milliliters of a dressing that is 7% vinegar. How much of each brand should el she use?
Answer by jorel555(1290) (Show Source): You can put this solution on YOUR website!
Let n be the amount of 8% vinegar. Then:
.08n+.05(240-n)=.07(240)
.03n+12=16.8
.03n=4.8
n=160
The chef needs 160ml of 8% vinegar and 80ml of 5% vinegar for her dressing. ☺☺☺☺
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