A serving of fish contains 50.g of protein and 4.0 g of fat. If protein has a caloric value of 4.0 kcal/g and fat has 9.0 kcal/g, how many kcal are in the serving? Round off the answer for each food type to the tens place.
A)470 kcal
B)220 kcal
C)490 kcal
D)240 kcal
E)54.0 kcal

Question

Quizplus · Accepted Answer

The calories from protein are 50g * 4.0 kcal/g = 200 kcal. The calories from fat are 4.0g * 9.0 kcal/g = 36 kcal. Adding these together gives 236 kcal, which rounds to 240 kcal.

A Serving of Fish Contains 50