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

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

It has 367 calories.