Question a trucker drove from san francisco to washington, Ask an Expert

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Question: A trucker drove from san Francisco to Washington, dc (2865 mi). The entire trip required 77h and 30 min. if 16h and 30 min of that time was spent sleeping and 3h 40 min was used for meals and refueling,

Part A: What was the average speed while on the road?

Please show all work and steps to find the average speed while on the road.

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