a serving of fish contains 56g protein and 18g of fat. If protein has a caloric value of 4kcal/g and fat has 9 kcal/g, how many kcal are in the serving?
Given:
Fat content = 18g
Protein content = 56g
Caloric value of protein = 4 kcal/g
Caloric value of fat = 9 kcal/g
Total kcal in the serving:
Protein part + Fat part
(56 g x 4 kcal/g ) + (18 g x 9 kcal/g)
= 224 kcal + 162 kcal
= 386 kcal
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