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Verified Answer :

VenusRetrograde

Answer=C

30minutes=0.5hours

20km/0.5hours=40km/h

Answer=C

Neuron

If you would like to know what is the average speed of the bus, you can calculate this using the following steps:

20 km ... 30 minutes
x km = ? ... 1 hour = 60 minutes

20 60 = 30 x      /30
x = 20 * 60 / 30
x = 40 km

Result: The average speed of the bus is 40 km/h, so the correct result would be c.

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