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4. One gram of fat contains 9 calories, and one gram of protein contains 4 calories. If one serving of a food contains 210 calories and has 7 grams of protein, write an equation that can be used to find the number of grams of fat, x, in the serving?​

4 One gram of fat contains 9 calories and one gram of protein contains 4 calories If one serving of a food contains 210 calories and has 7 grams of protein writ class=

Respuesta :

Answer:

7 * x = 210 x = 30

Step-by-step explanation:

210 grams is the total

7 * 30 = 210

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