Patrick laid a pencil and a candle end-to-end. The pencil is 15.80 centimeters long, the candle is 0.303 yards long. There are 30.48 centimeters in a foot. How many inches long are the two items placed end-to-end?

Convert the pencil’s length to inches: 15.80 ÷ 2.54 ≈ 6.22 inches. Convert the candle’s length using 36 inches per yard: 0.303 × 36 = 10.908 inches. Together, they are about 6.22 + 10.908 = 17.13 inches, so the correct choice is 17.13 in.

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