Problem

A 70.0-kg person had a quarter-pound cheeseburger, french fries, and a chocolate shake.Ite...

A 70.0-kg person had a quarter-pound cheeseburger, french fries, and a chocolate shake.

Item

Carbohydrate (g)

Fat (g)

Protein (g)

Cheeseburger

46

40.

47

French fries

47

16

4

Chocolate shake

76

10

10

a. Using Table 1, calculate the total kilocalories for each food type in this meal (round off the kilocalories to the tens place).


b. Determine the total kilocalories for the meal (round off to the tens place).


c. Using Table 2, determine the number of hours of sleeping needed to burn off the kilocalories in this meal.


d. Using Table 2, determine the number of hours of running needed to burn off the kilocalories in this meal.

Table 1 Energy Values for the Three Food Types

Food Type

(kJ/g)

(kcal/g)

Carbohydrate

17

4

Fat

38

9

Protein

17

4

Table 2 Energy Expended by a 70.0-kg (154-lb) Adult

Activity

Energy (kJ/h)

Energy (kcal/h)

Sleeping

250

60

Sitting

420

100

Walking

840

200

Swimming

2100

500

Running

3100

750

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