Rates, SM-Bank 047

Peter went on a 150 kilometre drive to the lake. The graph below shows the distance driven, in kilometres, and the time, in hours, taken for the trip.

What was the average speed of Peter's car during the first 6 hours? (2 marks)

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\(20\ \text{km/h}\)

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\(\text{Average speed for first 6 hrs}\)	\(=\dfrac{\text{Distance at 6 hours}}{\text{time}}\)
	\(= \dfrac{120}{6}\)
	\(= 20\ \text{km/h}\)