SOLUTION: A man traveled from A to B at 40 miles per hour and then from B to A at 60 miles per hour. What was his average speed (in miles per hour) during the entire journey? HINT: it is

Question 220650: A man traveled from A to B at 40 miles per hour and then from B to A at 60 miles per hour. What was his average speed (in miles per hour) during the entire journey? HINT: it is not 50 mph !
Answer by Alan3354(69443) (Show Source): You can put this solution on YOUR website!
A man traveled from A to B at 40 miles per hour and then from B to A at 60 miles per hour. What was his average speed (in miles per hour) during the entire journey? HINT: it is not 50 mph !
-------------------
d = rt --> t = d/r (one way)
t1 = d/40
t2 = d/60
Assign a distance of 120 miles one way (it will work for any distance)
tt = 120/40 + 120/60 (total time)
tt = 5 hours
240 miles/5 hrs = 48 mph
RELATED QUESTIONS
A car traveled from A to B at an average speed of 40 miles per hour and then... (answered by Alan3354)

Traveling from Los Angeles to San Diego, Peter drove 30 miles at 30 miles per hour, 35... (answered by ewatrrr)

A man travels a distance of 20 miles at 60 miles per hour and then returns over the same... (answered by stanbon)

Xenxang drove 60 miles to visit his daughter. On the way to his daughter's house the trip (answered by ankor@dixie-net.com)

A person drives from point A to point B at 30 miles per hour. What must the driving... (answered by Edwin McCravy)

A train travels from city A to city B to city C. The distance from A to B is 23 miles.... (answered by lwsshak3)

Xavier drove 100 miles at a rate of 60 miles per hour and then he drove another 100 miles (answered by Alan3354)

Sally drove from Town A to Town B at an average speed of 20 miles per hour. She then... (answered by ewatrrr,kintosh88)

Bob walks from point A to point B at 6 miles per hour and back at 8 miles per hour.What... (answered by robertb)