Question

Sarita and Julie start walking from the same place in the Opposite directions. If Julie walks at a speed of 25 km/hr and Sarita at a speed of 2 km/ hr, in how much time will they be 18 km apart ?

Answer 1

Answer:

it will 40 mins to make them 18km apart.

Step-by-step explanation:

this problem is done by concept of relative velocity.

velocity of separation = 27 km/hr

time = distance/ speed

= 18/27 hr

= 2/3 hr

= 40 mins