Answer:
Option D. 7°C
Explanation:
Let the temperature in Fahrenheit (F) and the temperature in Celsius(C)
The formula to convert Fahrenheit to Celsius is ⇒ F = 1.8 C + 32
So, to Convert 45° F to Celsius, substitute with with 45° F
45 = 1.8 C + 32
Solve for C
1.8 C = 45 - 32
1.8 C = 13
C = 13/1.8 = 7.222
Rounding to the nearest degree ⇒ 45° F = 7° C
The answer is option D. 7°C