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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 340 milliliter of a dressing that is 9% vinegar. How much of each brand should she use?

Respuesta :

I think she used 7% if i am right mark me brainlist .
272mL of the first brand and 68mL of the second brand. Let me know if you need an explanation.