SOLUTION: You have two vinegars, one is a 5% acetic acid & one is 6.5% acetic acid. You wish to make 200mL of a vinegar with 6% acetic acid. How many milliliters of each vinegar do you need

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Question 936780: You have two vinegars, one is a 5% acetic acid & one is 6.5% acetic acid. You wish to make 200mL of a vinegar with 6% acetic acid. How many milliliters of each vinegar do you need to mix together? Thanks for your help.
Answer by TimothyLamb(4379) About Me  (Show Source):
You can put this solution on YOUR website!
x = ml of 5.0%
y = ml of 6.5%
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x + y = 200
0.05x + 0.065y = 0.06*200
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put the system of linear equations into standard form
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x + y = 200
0.05x + 0.065y = 12
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answer:
x = ml of 5.0% = 66.666666
y = ml of 6.5% = 133.33333
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