Outside air temperature is 77°F. What is it in °C?

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Multiple Choice

Outside air temperature is 77°F. What is it in °C?

Explanation:
Converting Fahrenheit to Celsius uses C = (F − 32) × 5/9. For 77°F, subtract 32 to get 45. Since 45 is 9 × 5, you can simplify as (45/9) × 5 = 5 × 5 = 25. So the temperature is 25°C. Quick check: 25°C converts back to 77°F exactly, so that matches. The other values would correspond to about 75.2°F, 78.8°F, or 80.6°F, which aren’t 77°F.

Converting Fahrenheit to Celsius uses C = (F − 32) × 5/9. For 77°F, subtract 32 to get 45. Since 45 is 9 × 5, you can simplify as (45/9) × 5 = 5 × 5 = 25. So the temperature is 25°C. Quick check: 25°C converts back to 77°F exactly, so that matches. The other values would correspond to about 75.2°F, 78.8°F, or 80.6°F, which aren’t 77°F.

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