SOLUTION: One gram of fat contains 9 calories, and one gram of protein contains 4 calories. If one serving of a food contains 170 calories and has 6 grams of protein, which equation can b

Algebra ->  Equations -> SOLUTION: One gram of fat contains 9 calories, and one gram of protein contains 4 calories. If one serving of a food contains 170 calories and has 6 grams of protein, which equation can b      Log On


   



Question 1046677: One gram of fat contains 9 calories, and one gram of protein contains 4
calories. If one serving of a food contains 170 calories and has 6 grams of
protein, which equation can be used to find the number of grams of fat, x, in
the serving?
A. 6x + 36 =170
B. 9x + 24 =170
C. 7(x + 9) =170
D. 13(x+6)=170

Answer by josgarithmetic(39617) About Me  (Show Source):
You can put this solution on YOUR website!
Total calories, 170.

6%2AgramsOfProtein%2Bx%2AgramsOfFat=170%2Acalories

Convert the left member into calories.
4%2A6%2B9%2Ax=170
24%2B9x=170