An outside thermometer reads 57°F. What is this temperature in °C? Round your answer to the nearest whole number.

Use the conversion formula °C = (°F − 32) × 5/9. For 57°F, (57 − 32) × 5/9 = 25 × 5/9 ≈ 13.9°C, which rounds to 14°C. Therefore, the correct choice is A, 14.

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