Question

Casey and Melissa are 21-year-old students. They live together, shop together, prepare food together, and eat together whenever possible. Casey, a male, is 5 ft, 6 in and 132 lb (60 kg) and the captain of the debate team and sedentary. Melissa, a female, is 5 ft, 6 in and 154 lb (70 kg) and the captain of the lacrosse team and very active. Melissa consumes more calories per day than Casey does. Compare Casey's and Melissa's nutritional needs, based on their ages, genders, sizes, and activity levels.

Answer 1

Everyone requires different amounts of energy each day, depending on age, sex, size, and activity level.

Casey's nutritional needs are:

1 g of fat contains 9 kcal

For example, here is the breakdown of Casey would get calories from one cup of large eggs, weighing 243 g:

Fat: 23.11 g

23.11 g x 9 kcal = 207.99 kcal

243 g of raw egg contains 347 kcal. 208 kcal comes from fat

Melissa's nutritional needs are:

1 g of carbohydrates contains 4 kcal

1 g of fat contains 9 kcal

Melissa can also take additional Empty calories by taking energy drinks