A roasted chicken multigrain sandwich contains 42 g protein, 7 g fat, and 34 g carbohydrates. How much energy does the sandwich provide? A. 747 calories B. 542 calories C. 502 calories D. 367 calories E. 332 calories

It has 367 calories.

The sandwich has 367 calories.

Explanation:

Carbohydrates and proteins provide 4 calories each per gram while fat provides 9 calories per gram. To calculate the total calories, multiply the respective grams with their calorie count.

⇒ 42 * 4 + 7 * 9 + 34 * 4 = 168 + 63 + 136 = 367 calories