Question

A person covers half of
the total distance at the speed of 40km per hour, half of the remaining at 20 km per hour and the rest at 10 km per hour. Find the average speed
during the journey.
*
O 15 km/h
o 20 km/h
°70/3 km/h
O 30 km/h​

Answer 1

Answer:

70/3 km/h

Explanation:

Average = Sum of all numbers/Total numbers

(40+20+10)/3