If Sarah fills up her gas tank with 20 gallons of gasoline and pays $46 for the gasoline, how much did she pay per gallon?

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  $2.30 per gallon

Step-by-step explanation:

Price per gallon is found by dividing the cost by the number of gallons:

  $46/(20 gal) = $2.30/gal

Sarah paid $2.30 per gallon.

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