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Speed = (distance covered) divided by (time to cover the distance)

210 km in 1-1/2 hours = a speed of (210 km) per (1.5 hours).

In more familiar units, it's

(210)/1.5 = 140 km per hour

about 87 miles per hour (rounded)

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14y ago

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Q: What is the speed in 210km in 1 and a half hours?
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