Jonathan drive to the airport to pick up his friend.
A rainstorm forced him to drive at an average speed of 45 miles per hour reaching the airport in 3 hours. He drove back home at an average speed of 55 miles per hour how long to the nearest tenth of an hour did the trip home take him
A 2.0 hours
B 2.5 hours
C 2.8 hours
D 3.7 hours
can you please explain how you got the answer