Question

If a thermometer indicates 40 degrees Celsius, what's the temperature in degrees Fahrenheit? A. 22°F B. 72°F C. 54°F D. 104°F

Answer 1

`F = 9/5C + 32`

F = 9/5(40) + 32
F = 72 + 32
F = 105

40°C is ~105°F, and the closest would be D.