Question

Suppose a truck travels 60 kilometer in first hour and 80 kilometer in second hour. what is Average speed of truck?​

Answer 1

Answer:

Average speed= total distance/ total time

Here, total distance = 60+80= 140km

And total time = 4+1= 5 hrs

Therefore, Average speed = 140/5 = 28km/hr

Answer 2

Answer:

$70$

Explanation:

$\frac{80 + 60}{2}$

$\frac{140}{2}$

$70$