Question

An aeroplane travel 1200 km in 1 hour 30 minutes find its speed​

Answer 1

Speed=distance/time.
Speed=1200/1/30
Speed=400

Answer 2

Answer:

$speed = \frac{distance}{time} \\ 1hr = 60min \: then \\ = 60 + 30min = 90 \\ \frac{1200}{90} = 13.33 \\ ans = 13.33$

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