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2 years ago

An airplane flies 80 km in 10 minutes and then flies 100 km in 20 minutes what is the average speed

1 answer:

8 0

The average speed = (speed 1 + speed 2)/2
the average speed = (80/10 + 100/20)/2
the average speed = (8 + 5)/2
the average speed = 13/2
the average speed = 6.5 km/minute

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stealth61 [152]

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