If °C is degrees Celsius and °F is degrees Fahrenheit then °C is equal to

• A. 9 ⁄ 5(°F-32)
• B. 5 ⁄ 9(°F-32)
• C. 9 ⁄ 5(°F+32)
• D. 5 ⁄ 9(°F+32)