On my test, the teacher asked "Anna is in charge of making cookies. The cookie mix requires 2 cups of sugar for every 12 cookies
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For this case we must find the value of n of the following equation:
Taking common factor "n" from the left side of the equation we have:
Multiplying by 5 on both sides of the equation:
Dividing between 6 on both sides of the equation:
Thus, the value of n is 20.
Answer: