Driving speed

This task is about calculating distance, time and speed.
Cars driving through trees.png

Question

a) Deborah and Leah were driving from Wellington to Hamilton. They stopped for a rest after 1\(3 \over 4\) hours and calculated that their average speed had been 84 km/h.
What was the distance they had travelled?

    • 48 km

    • 85.75 km

    • 126 km

    • 147 km

Question

b)  Richard and James drove for 4\(1 \over 2\) hours. They saw that they had travelled 360 km in that time.
What was their average speed?

    • 45 km/h

    • 80 km/h

    • 90 km/h

    • 100 km/h

Question

c)  Vicky and Shannon drove from Taupo straight through to Wanganui, which was 225 km away, at an average speed of 90 km/h.
How long did it take them to get there?

    • 2 hr 30 min

    • 2 hr 40 min

    • 2 hr 45 min

    • 2 hr 50 min