A plane takes 4 hours to go 3600 km with the wind. The return flight takes 6 hours. Assuming that the wind speed and direction have not changed, calculate the speed of the plane.

A plane takes 4 hours to go 3600 km with the wind. The return fligh

1.	A plane takes 4 hours to go 3600 km with the wind. The return flight takes 6 hours. Assuming that the wind speed and direction have not changed, calculate the speed of the plane.
A.	700 km/hr
B.	600 km/hr
C.	750 km/hr
D.	150 km/hr
Answer» D. 150 km/hr

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A plane takes 4 hours to go 3600 km with the wind. The return flight takes 6 hours. Assuming that the wind speed and direction have not changed, calculate the speed of the plane.

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