The Weather Channel reported the normal snowfall is 138.44 inches for Lexington County. This winter the following snowfall resulted: Dec: 18.46 inches, Jan: 15.438 in, Feb 18.999 in, March 24.861 in. How much was the snowfall below normal?

Question

The Weather Channel reported the normal snowfall is 138.44 inches for Lexington County. This winter the following snowfall resulted: Dec: 18.46 inches, Jan: 15.438 in, Feb 18.999 in, March 24.861 in.  How much was the snowfall below normal?

anonymous · Answer

add all of the snowfall up 

find the difference b/w normal 138.44 and the sum of all snowfall

anonymous · Answer

Ok, that's what I did, but the answers are multiple choice and none of them were even close to the answer. I had to pick d. None of these. I hate answering that, so I wanted to make sure. Thank you. :)

anonymous · Answer

You are welcome.