Question

6. A plane left 40 minutes late due to bad weather and in order to reach its destination,
1600 km away in time, it had to increase its speed by 400 km/hr from its usual speed
Find the usual speed of the plane.
9:29 A​

Answer 1

Answer:

1600km

Step-by-step explanation:

The distance to be covered by the plane to reach its destination is equal to 1600 km. Now, use the formula, Time=DistanceSpeed and calculate the usual time. The speed of the plane after being 40 minutes late is (x+400)km/hr . The plane has to cover 1600 km to reach the destination.

I hope this answer is helpfull for you