Question

in a journey of 100km two fifth of the distance covered with a speed of xkm/ hr and for the remaining distance man increased the speed by 5 km / hr and completed the journey in 8 hrs. find the speed x?​ plzz help fast

Answer 1

Answer:

7.5 km/hr

Step-by-step explanation:

100*2/5=40 km covered with speed of x km/hr

rest 60 km travelled in x=5 km/hr speed in 8 hrs

60/8=12.5 km/hr

12.5=x+5

x=12.5-5

x=7.5