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Sholpan [36]
3 years ago
10

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

Mathematics
1 answer:
Eddi Din [679]3 years ago
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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