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An airplane flies 80 km in 10 minutes and then flies 100 km in 20 minutes the average speed of the airplane is?
Wiki User
∙ 7y ago
= (80 km + 100 km)/(10 min + 20 min) = 180 km/30 min = 6 km/min
1 hr = 60 min
→ 6 km/min = 6 × 60 km/h = 360 km/h
Wiki User
∙ 7y ago
Wiki User
∙ 7y agoYou need to divide the total distance by the total time.
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