Question

a car travels first hundred kilometre in 5/2 hours and next 30 kilometre in 1/2 hour . what is its average speed ​

Answer 1

Answer:

1/6×10^8

Step-by-step explanation:

average speed =total distance /total time

100km=10000m=10^5m

30km=30000m=3×10^4m

5/2hours=150min.

1/2hours=30 min.

• S.avg=10^5+3×10^4/150min+30min

3×10^9/180

=1/60×10^9

=1/6×10^8

Hope it us helpfull