Question

an aeroplane Travels 1200 km in 1 hour and 30 minutes then its speed is​

Answer 1

Answer:

speed= dist / time.

distance = 1200

time = 1 hour + 30 mins ( 1/2 hour)

speed = 1200 / 1 1/2 ( one one by two - mixed fraction ok )

1200 / 3/ 2

400 × 2

speed = 800 kmph

hope this helps......

Answer 2

Answer:

then 1200/1.5= 800km per hour