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Mathematics 18 Online
OpenStudy (anonymous):

The distance from Phoenix to Tucson is 120 miles. A car made the journey in 1 hour and 45 minutes. What was the average speed of the car in miles per hour?

OpenStudy (perl):

average speed is defined as distance / time

OpenStudy (anonymous):

yes I understand @perl but how would you divide 1 hour and 45 minutes by 120 miles?

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