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2 people A and B travel from x and y talong different routes.Their journeys take the same amount of time

User Excelguy
by
3.1k points

1 Answer

22 votes
22 votes

Question:

2 people A and B travel from X to Y along different routes. Their journeys take the same amount of time. B's route is 100km at an average speed of 40km/hour A's route is 60km. What is A's average speed?

Answer:

Person A's average speed is 24km/hr

Explanation:

Given

Person B


image


image

Person A


image

Required

Average speed of person A

Speed is calculated as:


image

For person B


image

Make Time the subject


image


image

For person A


image


image

The journeys last for the same duration.

So;


image


image

Person A's average speed is 24km/hr

User Najee
by
2.9k points
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