Question

A jet plane covers 4500 km in some time. If the regular speed is
decreased by 150 km/h, it takes one and half hours more to complete the
journey. Find the original speed of the jet plane.

Answer 1

Answer:

30

Step-by-step explanation:

A jet plane covers 4500 km in some time .

the regular speed is decreased by 150km/h

original speed of the jet plane =?

As per the problem,

km/h

4500km/150h

= 30

the original speed of the jet plane = 30 per hour