Question

A car covers a distance of 715 km at a
constant speed. If the speed of the car would
have been 10 km/h more, then it would have
taken 2 h less to cover the same distance.
What is the original speed of the car?
(a) 45 km/h
(b) 50 km/h
(c) 55 km/h
(d) 65 km/h​

Answer 1

Answer:

50kmh

Step-by-step explanation:

as we take s=d/t

so let us take d as xand s as y

Answer 2

Answer:

(c) 55 Km/h

Step-by-step explanation:

Please see the photocopy attached...