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25 June, 17:58

A chef plans to mix 100% vinegar with Italian dressing. The Italian dressing contains 12% vinegar. The chef wants to make 160 milliliters of a mixture that contains 23% vinegar. How much vinegar and how much Italian dressing should she use?

Note that the ALEKS graphing calculator can be used to make computations easier

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  1. 25 June, 20:15
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    100% vinegar=20 ml

    12 % vinegar=140 ml

    Step-by-step explanation:

    100 % x+12 % (160-x) = 23 % of 160

    x+0.12 (160-x) = 0.23*160

    x+19.20-0.12 x=36.80

    0.88 x=36.80-19.20

    0.88 x=17.60

    88 x=1760

    x=20
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