Answers

2016-06-20T18:48:48+08:00
The car is travelling at 14mph.

To get the speed, divide the distance by time.
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  • Brainly User
2016-06-20T19:37:18+08:00
Let R be the speed

Distance = Rate × Time

Rate = Distance / Time

Rate = 42 km / 3 hr

Rate = 14 km/hr

ANSWER:  The speed of the car is 14 km per hour  (or 14 km/hr).
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