3. Convert 86 degrees Fahrenheit to degrees Celsius. A. 48°C B. 60°C C. 30°C D. 192°C

A quick way (approximate) to do this is to subtract 30 and divide by 2. That give 27 which means that the answer should be C.

Now to do it properly

C = 5/9 (F - 32)

C = 5/9 (86 - 32)

C = 5/9 (54)

C = 30 exactly.

Your answer will be

C. 30°C