It takes Mrs. Watson 1 hour and 30 minutes to drive 90 km. Explain how she could find her average speed. (Hint: Express the time in hours.)
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It takes Mrs. Watson 1 hour and 30 minutes to drive 90 km. Explain how she could find her average speed. (Hint: Express the time in hours.)
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Answer:
37.2823 miles per hour
explanation
divide the distance and the time