Question

The two persons are standing 400 m apart. First person can run at a speed of 3 m /s and second can run 2 m/s. If two persons run towards each other, after how much time will they meet each other?

Answer 1

Answer:

80 seconds

Step-by-step explanation:

Answer 2

Answer:80 sec.

Step-by-step explanation:Total speed

=3m/s+2m/s

=5m/s

Time taken=distance÷speed

=400÷5

=80sec.