Question

A train travels a 400-km route and makes five stops in seven hours. Which equation is used to calculate the train’s average speed?

A.
Average speed = Sum of instantaneous speeds


B.
Average speed = Total distance x Total time


C.
Average speed = Total distance + Total time


D.
Average speed = Total distance ÷ Total time

Answer 1

The awnser is d. This is because say they where going 70 mph then it would take them 7 hours to go 490 miles.