Total distance = 188 + 197 = 385 km
Total time = 4 + 4.5 = 8,5 h
Average speed = Total distance / Total time =
385 / 8.5 = 45.294 km /h
On a trip, Mrs. Harper drove 188 miles in 4 hours. On the return trip she took a different route and traveled 197 miles in 4.5 hours. What was the average speed of the trip?
2 answers
Sorry your unit is a mile, not a kilometer.