An athlete runs 4 miles in 28 minutes and then changes their pace to run the next 4 miles in 32 minutes. Overall, what is the average time in minutes it takes the athlete to run 1 mile?
A.
7 minutes
B.
8 minutes
C.
7.5 minutes
D.
8.5 minutes
To calculate the average time it takes the athlete to run 1 mile, follow these steps:
- Calculate the total distance and total time:
- Total distance = 4 miles + 4 miles = 8 miles
- Total time = 28 minutes + 32 minutes = 60 minutes
- Find the average time per mile:Average time per mile=Total timeTotal distance=60 minutes8 miles=7.5 minutes per mile\text{Average time per mile} = \frac{\text{Total time}}{\text{Total distance}} = \frac{60 \text{ minutes}}{8 \text{ miles}} = 7.5 \text{ minutes per mile}Average time per mile=Total distanceTotal time=8 miles60 minutes=7.5 minutes per mile
So, the average time it takes the athlete to run 1 mile is:
C. 7.5 minutes