A small airplane flies 1120 miles with an average speed of 280 miles per hour. 2 hours after the plane leaves, a Boeing 747

Question

A small airplane flies 1120 miles with an average speed of 280 miles per hour. 2 hours after the plane leaves, a Boeing 747 leaves from the same point. Both planes arrive at the same time; what was the average speed of the 747?

Kunduz · Accepted Answer

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