Question

A motorist travels 40 km at 40 km/h and 90 km at 60 km/h. What is the average speed of the motorist for this trip?

Answer 1

Answer:

52km/hr is the average speed

Step-by-step explanation:

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Answer 2

Step-by-step explanation:

Time1 = Distance. 1 = 40km. = 1h

speed. 1 40km/h

Time2= 90 km. = 3/2 h

60km/h

Average speed= 40. +. 90 = 130

1 + 3/2. 2 + 3

2

= 130. × 2. = 260 = 52 km/h

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