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A70.0-kg person had a quarter-pound cheeseburger, french fries, and a chocolate shake. 3.5

a. Using Table 3.7, 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 3.10, determine the number of hours of sleep needed to burn off the kilocalories in this meal.

d. Using Table 3.10, determine the number of hours of running needed to burn off the kilocalories in this meal.

Short Answer

Expert verified

a. Carbohydrate 680kcal, Fat 590kcal, Protein 240kcal.

b. The total kilocalories of carbohydrate, fat, protein is 1510kcal

c. The time taken of 1510kcalis 25h

d. The time taken of1510kcalis2h.

Step by step solution

01

Given Information (a)

(a) A 70.0-kgperson had a quarter-pound cheeseburger,Irish potato, and a chocolate shake.

02

Explanation (a)

(a) The carbohydrate, fat and protein present in cheeseburger, murphy, and chocolate shake is 46,47,76gand 40,16,10gand47,4,10grespectively.

Calculate the carbohydrate energy for every food type using its mass and energy value and round off the kilocalories to tens place.

Total 46+47+76=169g
kilocalories = mass× energy value of carbohydrate
For169kg of carbohydrate:
kilocalories = 169g×4kcal=680kcal


Calculate the fat energy using its mass and energy value and round off the kilocalories to tens place.

Total 40+16+10=66g
kilocalories = mass× energy value of fat
For 66gof fat:

Kilocalories =66g×9kcal=590kcal


Calculate the proteinenergy using its mass and energy value and round off the kilocalories to tens place.

Total 47+4+10=61g
kilocalories = mass× energy value of protein
For61g of protein:
kilocalories =61g×4kcal=240kcal

03

Given Information (b)

(a) A 70.0-kgperson had a quarter-pound cheeseburger,Irish potato, and a chocolate shake.

04

Explanation (b)

(b) The total kilocalories for the meal are the sum of the kilocalories of carbohydrate, fat, and protein.
Total kilocalories=680kcal+590kcal+240kcal

=1510kcal


Therefore, the entire kilocalories for meal is 1510kcal
05

Given information (c)

(c) A 70.0-kg person had a quarter-pound cheeseburger,Irish potato, and a chocolate shake.

06

Explanation (c)

(C) The energy expended for 1hour of sleeping is 60kcal
Calculate the hours to burn1510kcalas follows:
1510kcal×1h60kcal=25h
Therefore, the time taken to burn the 1510kcalis 25h.

07

Given information (d)

(a) A 70.0-kgperson had a quarter-pound cheeseburger,Irish potato, and a chocolate shake.

08

Explanation (d)

(d) The energy expended for 1hour of running is750kcal.
Calculate the hours to burn1510kcal as follows:
1510kcal×1h750kcal=2h
Therefore, the time taken to burn the 1510kcalis2h.2h.

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