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Nancy and Elsa like to ride bikes. The equation m=12h represents the approximate number of mies m Nancy bikes in h hours . The equation m = 9h represents the approximate number of miles Elsa bikes in h hours . How much longer will it take Elsa to bike 72 miles than Nancy?

Answer :

mhanifa

Answer:

  • 24 hours

Step-by-step explanation:

Nancy bikes 12h miles in h hours, Elsa bikes 9h miles in h hours.

The difference in the distance is:

  • 12h - 9h = 3h

The time required to bike 72 miles difference:

  • 3h = 72
  • h = 72/3
  • h = 24

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