Steve ran a 12-mile race at an average speed of 8 miles per hour. If Adam ran the same race at an average speed of 6 miles per hour, how many minutes longer did Adam take to complete the race than did Steve?

A train travels at an average speed of 50 miles per hour. It travels for 2 1/2 hours.

An airline flies, two different planes over the same route. The faster of the two planes travels at an average speed of 540 mile per hour,and the other plane travels at an average speed of 450 miles per hour. How many more miles can the faster plane travel in 12 seconds than the slower plane?

A car travels from Twon A to Twon B at an average speed of 40 miles per hour, and returns immediately along the same route at an average speed of 50 miles per hour. What is the average speed in miles per hour for the round - trip?

A cheetah ran 12 miles at an average rate of 50 miles per hour and then ran the next 12 miles at an average rate of 43 miles per hour. What was the average speed, in miles per hour, of the cheetah for the 24 miles ?

Jonathan drove 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 trip home take him?

An elephant traveled 7 miles at an average rate of 4 miles per hour and then traveled the next 7 miles at an average rate of 1 mile per hour. What was the average speed, in miles per hour, of the elephant for the 14 miles?

A bus diver drove at an average speed of 45 miles per hour for 3 hours while the bus consumed fuel at a rate of 15 miles per gallon. How many gallons of fuel did the bus use for the entire 3 - hour trip?

A cyclist travels at 12 miles per hour. How many minutes will it take him to travel 24 miles

A man drove to work at an average rate of speed of 60 miles per hour and returned over the same route driving at an average rate of speed of 40 miles per hour. If his total driving time was 1 hour, what was the total number of miles in the round trip?

A car is travelling at an average speed of 60 km per hour. How much distance will it cover in 1 hour 12 minutes?