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How much more fuel will you use by driving at 70 mph, compared with driving at 50 mph? How much more fuel will you use by driving at 70 mph, compared with driving at 50 mph?

  • Possible answers:

     

  • A. About 5%

  • B. About 15%

  • C. About 75%

  • D. About 100%

 
 

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