Question

The speed of a bus during the
second hour of its journey is
twice that in the first hour. Also,
speed during the third hour is
two-third the sum of its speeds in the first two hours. Had the bus travelled for three hours at the speed of the first hour, it would have travelled 120 km less. Find the average speed of the bus for the first three hours.​

Answer 1

Answer:

The correct answer is 23......

please mark as brainliest...