Question

John took a 5-mile walk to his friend's house.

He left at 11 a.m. and arrived at his friend's house at 12:45 p.m.
If the return trip took a half hour longer,
what is the average speed on the return trip?

Answer 1

2 hours

Explanation:

add the time before and after adding 30 mins. (1 hour and 45 minutes/ 2 hours and 15 mins.) then divide by 2