Question

Today, jill consumes 1,600 total kilocalories. she eats 50 grams of protein. the percentage of jill's total energy intake that comes from protein is

Answer 1

The answer is 12.5%.
Each gram of protein has four calories. Therefore, 50 grams of protein contain 200 calories. In order to find the percentage of total energy intake that comes from protein, we need to do the division: 200/1600 * 100 = 12.5. Protein is needed for body growth and maintenance and energy.