A bus traveled 280 kilometers between two cities. It left the first city at 3:00 p.m. and arrived at the second city at 7:00 p.m. What was the average speed of the bus during the trip

From 3:00 to 7:00 is 4 hours. It traveled 280 kilometers.

Divide:

280 ÷ 4 = 70

Answer = 70

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