A rope has a density and thickness such that a 3.25-centimeter-long segment of it weighs 61.40 grams. There are 28.3495 grams in an ounce and 2.54 centimeters in an inch. How many ounces would a 19.45 inch length of the same rope weigh?

Convert the rope length to centimeters: 19.45 × 2.54 = 49.403 cm. Since 3.25 cm weighs 61.40 g, 49.403 cm weighs (49.403 ÷ 3.25) × 61.40 ≈ 933.33 g. Convert to ounces: 933.33 ÷ 28.3495 ≈ 32.92 oz, so the correct choice is 32.92 oz.

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