Question

a plane running at a speed of 1200 km per hour takes 6 hours to cover a surname at what speed must it travel in order to complete the journey in 4 hours​

Answer 1

Step-by-step explanation:

A plane running at a speed of 1200km per hour takes 6 hours to cover.

1200 ➗ 6=200

1hour =200km

4hours=?

4 ✖ 200

=800km