A man travels miles an hour for Y hours and miles for v hours. What is the average speed in miles per hour for the entire distance travelled?

A man travels miles an hour for Y hours and miles for v hours. What is the average speed in miles per hour for the entire distance travelled?

A ft+rs

B (ft+rs)/2

C f//t+r/s

D (ft+rs)/(t+s)

Solution

Correct Answer: Option D