Question

At what temperature do the Celsius and Fahrenheit scales show the same reading?

Options

• 0°

• -40°

• 100°

• -273°

Answer 1

-40°

Explanation:

Plugging T_C = −40 into T_F = (9/5)(−40) + 32 = −72 + 32 = −40 °F. They match!