Question

the distance between two places is 120 Kilometer. A car travelling at a certain speed can covers the distance in 2 hours 30 minutes. By how many kilometers per hour should the speed of the car be increased for it to take 30 minutes less to cover the distance..................​

Answer 1

Answer:

12km/hr

Explanation:

just find the speed in the first case by dividing 120 by 2.5

find the new speed by dividing 120 by 2.

now subtract the values.