Question

Car a leaves delhi at a certain time, after 5 hours car b leaves delhi in the same direction as of a. Speed of car a is 20km/hr and speed of car b is 40km/hr. In how much time car b will be 20km ahead of car a?

Answer 1

Answer:

here is your answer 5hr.thank you

Answer 2

Answer:

6

Explanation:

Explanation :

20 =40*(t-5) – 20*t

T = 11

11-5 = 6