The average speed of a passenger plane is 408 km / h is it 20 times more than the speed of a motor ship and 2 times

The average speed of a passenger plane is 408 km / h is it 20 times more than the speed of a motor ship and 2 times less than the speed of a jet plane? find the average speed of a jet plane

1) Let’s reduce the average speed of a passenger plane, which is 408 km / h, by 20 times and find out the average speed of the motor ship:

408: 20 = 20.4 km / h.

2) Let’s increase the average speed of a passenger plane by 2 times and find the average speed of a jet plane:

408 * 2 = 816 km / h.

Answer: 20.4 km / h; 816 km / h.



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