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Answer :
Final answer:
By walking for 45 minutes each day at a rate of 1.2 kcal/pound/hour, a person weighing 254 pounds would burn approximately 1594 kcal in a week.
Explanation:
To calculate how many calories Mark would burn walking in a week, we need to multiply his weight by the number of calories burned per pound per hour, then multiply this by the time he spends each day walking and the number of days in a week.
First, convert the daily walking time into hours: 45 minutes = 0.75 hours
Calories burned per day = 254 pounds x 1.2 kcal/pound/hour x 0.75 hours = 227.7 kcal/day
Calories burned in a week = 227.7 kcal/day x 7 days = 1593.9 kcal/week
So, Mark would burn approximately 1594 kcal in a week. This concept is important to note because typically, a person needs 1500 to 2000 calories per day to carry out daily activities. This value can increase if exercise is a regular part of one's day, as more calories are then required. Therefore, consistent walking can help contribute to weight loss along with a balanced diet.
Learn more about calorie burn here:
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Answer:
[tex]1600.2[/tex] calories
Explanation:
Given
Weight of Mark [tex]= 254[/tex] pounds
Rate at which Mark burns calories [tex]= 1.2[/tex]kcal/pound/hour
Total time in one week in terms of hours [tex]= 45 * 7[/tex] minutes
[tex]= 315[/tex] minutes
Number of hours in [tex]315[/tex] minutes is equal to
[tex]\frac{315}{60} \\= 5.25[/tex] hours
So, the total number of calories burned by Mark in one week
[tex]= 1.2 * 5.25 * 254\\= 1600.2[/tex] calories
