Question

A car travel 100km with a speed of 50km/h and next 100km with a speed of 40km/h . Find the total time of jurny.

Answer 1

Answer:

4.5 hrs

Explanation:

Total time = t1+ t2        

t1= S1 / V1                     I       t2 = S2 / V2  

t1= 100 / 50                  I       t2 = 100 / 40

t1= 2 hr                         I       t2 = 2.5 hr

total time will be 2 hr +2.5 hr = 4.5 hrs