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 370 mill

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Question 1189871: 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 370 milliliters of a dressing that is 12% vinegar. How much of each brand should she use?
First brand ? Milliliters
Second brand ? milliliters
Answer by Solver92311(821) About Me  (Show Source):
You can put this solution on YOUR website!


Let represent the amount of 13% vinegar, so must be the amount of 8% vinegar. Then is the amount of pure vinegar in the 13% vinegar dressing and is the amount of pure vinegar in the 8% dressing. The sum of these two amounts must equal the amount of pure vinegar in the desired mixture, namely .

So solve:



For and then calculate

John

My calculator said it, I believe it, that settles it

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