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If Nick drove less miles in more time than he did yesterday, his driving speed would be...

If Sara drove the same number of miles in less time than she did yesterday, her driving speed would be

If Mary drove the same number of miles in more time than she did yesterday, her driving speed would be

If John drove less miles in less time than he did yesterday, his driving speed would be

Bill drove more miles than Greg. Bill drove for less time than Greg. Who was the faster driver.

Amy drove the same number of miles as Sue. Amy drove for less time than Sue. Who was the faster driver?

Tim drove the same number of miles as Fred. Time drove for more time than Fred. Who was the faster driver?

Nancy drove more miles than Kathy. Nancy drove for more time than Kathy. Who was the faster driver?