Question

Sally drove 120 km for 1.5 hours rested for 0.5 hours and finish her trip by Drivin and additional 80 km in one hour what was her average speed during her car trip in km / HR please round her answer to the nearest tenth

Answer 1

1st 120 km 1.5 hrs

2nd 80 km 1 hr

3rd 0.5 hrs

speed = (120 + 80) / (1.5 + 0.5 + 1)

speed = 200 / 3.5

speed = 57. 1 km/h