Miya’s daily caloric needs. How many calories does she burn per hour when she runs at an 8-minute mile pace? a. 709 calories per hour b. 481 calories per hour c. 879 calories per hour d. 634 calories per hour
The correct answer and explanation is:
To determine how many calories Miya burns per hour when running at an 8-minute mile pace, we need to consider her weight and the intensity of her activity.
Step 1: Estimating calories burned per mile
Running at an 8-minute mile pace is considered a moderate to intense pace. The general rule of thumb is that a person burns about 100 calories per mile for every 10 minutes of running, assuming an average weight of around 155 pounds (70 kg). Since Miya is running at an 8-minute mile pace, she will burn slightly more calories per mile due to the increased speed.
Step 2: Adjusting for the faster pace
At a faster pace, such as an 8-minute mile, she burns approximately 120 calories per mile. This is a rough estimate that can vary depending on the person’s weight and running efficiency.
Step 3: Calculating calories burned per hour
If Miya is running at an 8-minute mile pace, she completes 7.5 miles in an hour (since 60 minutes divided by 8 minutes per mile equals 7.5 miles). So, if she burns about 120 calories per mile, then:
120 calories/mile * 7.5 miles = 900 calories per hour.
Step 4: Selecting the closest answer
The correct answer should be around 900 calories per hour. However, since the options available are 709, 481, 879, and 634, the closest option is:
c. 879 calories per hour.
While the exact number might vary based on individual factors like weight and running form, this estimate is based on the average calorie burn rate at that pace.