Question

3. Abdul, while driving to school, computes the average speed for his trip to be 20 km hl. On his return trip along the same route, there is less traffic and the average speed is 30 km hl. What is the average speed for Abdul's trip?​

Answer 1

Answer:25 km/hr

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Answer 2

Answer:

25km/hr

Explanation:

Given,

Average speed of Abdul on the way to school = 20km/hr

Average speed of Abdul on his return trip from school = 30km/hr

To find,

Average speed of Abdul during the whole trip

$average \: speed = \frac{sum \: of \:speed \: on \: both \: journeys}{number \: of \: journeys}$

$average \: speed = \frac{20 + 30}{2}$

$average \: speed \: = \frac{50}{2} = 25kmph$

Therefore, Abdul's average speed is 25km/hr