Your car averages about 27 miles per gallon on highways. With gasoline priced at $2.599 per gallon, how much will you expect to spend on gasoline during your 500-mile trip?

First find the gallons needed: 500 miles ÷ 27 miles per gallon ≈ 18.52 gallons. Then multiply by the price per gallon: 18.52 × $2.599 ≈ $48.13. The expected gasoline cost is $48.13, choice D.

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