Question

A person covers half of the total distance at the speed of 40 km 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.​

Answer 1

Answer:

35

Step-by-step explanation:

A person covers half of the total distance at the speed of 40 km 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.

avarage is

$10 + 20 + 40 \div 2$

70/2=35