Hillis drove a petrol tanker truck 700km from from Durban to Johannesburg in 8 hrs. She received a speeding ticket under the average prosecution law. Calculate her average speed
To calculate the average speed, we use the formula: average speed = total distance / total time
In this case, Hillis drove 700km in 8 hours. So her average speed would be:
average speed = 700km / 8 hrs
average speed = 87.5 km/hr
Therefore, Hillis' average speed during her trip from Durban to Johannesburg was 87.5 km/hr.