Best Answer

Dividing distance travelled by time taken gives 23 / 1.5 = 15.3 recurring (that is, 15.3333...) or 15 and one third kilometres per hour.

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Q: What is the average speed of someone who travels 23 kilometers in 1.5 hours?

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His average speed is 55 kilometers per hour.

30 kilometers in two hours or 15 kilometers per hour.

1

30 kilometers per hour.

87.5 kph

815 kmph

6.4 kph

A driver who travels 140 kilometres in 2 hours!

Average speed = Distance/Time = 400 km /5 hours = 80 km per hour.

240/2.5 = 96 kph

At an average 500 mph, that's 3218.68 km.

Total distance = 75 km time = 3 hours average speed = 75km/3hrs = 25 km/hr