Mathematics, 05.12.2020 08:30, krojas015

11. Mary traveled a total of 10 hours and a total of 1850 miles by car and by plane Driving to the airport by car, she averaged 50 miles per hour. In the air, the plane averaged 300 miles per hour. How long
did it take her to drive to the airport?

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11. Mary traveled a total of 10 hours and a total of 1850 miles by car and by plane Driving to the a...