SOLUTION: A cab driver drove from the airport to a passenger’s home at an average speed of 55 miles per hour. He returned to the airport along the same highway at an average speed of 45 mile
Algebra.Com
Question 474587: A cab driver drove from the airport to a passenger’s home at an average speed of 55 miles per hour. He returned to the airport along the same highway at an average speed of 45 miles per hour. What was the driver’s average speed over the entire trip?
Answer by jorel1380(3719) (Show Source): You can put this solution on YOUR website!
n/55+n/45=2
45n+55n=4950
100n=4950
n=49.5..
RELATED QUESTIONS
Jerry drove to the airport at an average speed of 45 miles per hour. He returned home... (answered by ankor@dixie-net.com)
Jonathan drove to the airport to pick up his friend. A rainstorm
forced him to drive at... (answered by Alan3354)
A farmer drove to the market on Friday at an average speed of 60 miles per hour. He... (answered by Alan3354)
A farmer drove to the market on friday at an average speed of 60 miles per hour. he... (answered by richwmiller)
A worker drove to work traveling 65 miles per hour. He returned home traveling 55 miles... (answered by Alan3354,Edwin McCravy)
Sally drove from Town A to Town B at an average speed of 20 miles per hour. She then... (answered by ewatrrr,kintosh88)
Esther drove to work in the morning at an average speed of 45 miles per hour. She... (answered by solver91311)
Esther drove to work in the morning at an average speed of 45 miles per hour. She... (answered by josmiceli)
Esther drove to work in the morning at an average speed of 45 miles per hour. She... (answered by mananth)