Question

17. Abdul, while driving to
school computes the average
speed for his trip to be 30
km/h. On his return trip along
the same route, there is less
traffic and the average speed
is 50 km/h. What is the
average speed for Abdul's trip
in km/h?
18.8 km/h
47.5 km/h
37.5 km/h
57.5 km/h​

Answer 1

Answer:

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