One-fourth of a certain journey is covered at the rate of 25 km/h, one-third at the rate of 30 km/h and the rest at 50 km/h. find the average speed for the whole journey.
Answers
Answered by
1
Average speed = Total distance covered / Total time taken
25+30+50/3. = 105/3
= 35 km/h
25+30+50/3. = 105/3
= 35 km/h
Similar questions