Some people feel that the ideal temperature for an office space is 72.0F. What is the temperature in C?

Question

The formula I used is
F= 9 x 72 + 32 = 648 + 32
Is this correct so far

Answer 1

No. You're way off.

http://www.albireo.ch/temperatureconverter/formula.htm

Answer 2

Celsius= 5/9*(Fahrenheit-32)

Celsius= 5/9*(72-32)

Celsius= 22.22 degrees celsius