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Calculating Cost/Gallon

Question: If kerosene costs 130 passi per liter, and one dollar buys 227, what is its cost in dollars per gallon? [1.00 gallon = 3.79 liters]
a. $2.17 per gallon
b. $6.62 per gallon
c. 15 cents per gallon
d. 46 cents per gallon

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When converting units, we multiply our original unit with 1's as many times as necessary.

However, since we have equivalence between ...

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This solution is comprised of the correct answer to this multiple choice question and provides reasoning as to why this answer is the correct response.