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

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

User Volk
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3 votes
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
User Goobering
by
8.0k points
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