A large hamburger (e.g.,Whopper®)sandwich contains 628 kilocalories and 36 grams of fat.Approximately what percentage of the total energy is contributed by fat?

Question

Quizplus · Accepted Answer

To find the percentage of total energy contributed by fat, we need to calculate the number of kilocalories from fat and divide it by the total number of kilocalories. 
36 grams of fat contains 324 kilocalories (9 kilocalories per gram of fat). 
628 kilocalories - 324 kilocalories = 304 kilocalories from other sources. 
Therefore, the percentage of total energy contributed by fat is: 
(324 kilocalories / 628 kilocalories) x 100% = 51.6%, which rounds up to 52%. Therefore, the best choice is B.

A Large Hamburger (E