SOLUTION: 12oz of black coffee, the creamer he adds is 10% fat, and his goal is to have a coffee and creamer mixture that is 2% fat. define x write your equation.

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Question 1000101: 12oz of black coffee, the creamer he adds is 10% fat, and his goal is to have a coffee and creamer mixture that is 2% fat. define x write your equation.
Answer by josgarithmetic(39617) About Me  (Show Source):
You can put this solution on YOUR website!
x, how many fluid ounces of creamer to add.

%2812%2A0%2B10x%29%2F%28x%2B12%29=2; the coffee contains no fat.

10x%2F%28x%2B12%29=2

10x=2%28x%2B12%29

10x=2x%2B24

8x=24
highlight%28x=3%29---------- three fluid ounces of creamer to add to the 12 fluid ounces of coffee.