Question

Please help; I have no idea how to solve this!! The temperature in degrees Celsius (C) can be converted to degrees Fahrenheit (F) using the formula F(C)= 9/5C+k, where k is a constant. Find k, if to C=−40°C corresponds F=−40°F.

Answer 1

32

Explanation:

honestly, what i did on the quiz was use my knowledge of F and C

Answer 2

32

Explanation:

-40 = (9/5)(-40) + k

-40 = -72 + k

k = -40 + 72

k = 32