(Answered) On a 300-mile car trip from baltimore to ny john and his

Statistics

On a 300-mile car trip, from Baltimore to NY, John and his wife averaged 60 miles per hour. On the return trip covering the same distance, due to traffic, they averaged 40 miles per hour.

What was the average miles per hour per trip? (Show work)
What was the average miles per hour combining the trip from Baltimore to NY and the return trip from NY to Baltimore? (Show work)

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