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Answer :

Francocanacarigo

It would have cost $ 26.25 to fill the same gas tank in 2015.

Given that it cost $ 12 to fill up a gas tank in 1985, to determine how much it would have cost to fill the same gas tank in 2015, the following calculation must be performed, knowing that the average price of a gallon of gasoline was $ 1.12 in 1985 and $ 2.45 in 2015:

  • (12 / 1.12) x 2.45 = X
  • 10.71 x 2.45 = X
  • 26.25 = X

Therefore, it would have cost $ 26.25 to fill the same gas tank in 2015.

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