What button should be pressed to leave a message on the answering machine in this FoxTrot comic:
COMIC STRIP NO LONGER AVAILABLE
Explain whether or not the correct ORDER of OPERATIONS was used.




Solution to the Problem:

The answer is 1.

No, the correct order of operations was not used.  
Parentheses are needed around the first two numbers; otherwise, you get a negative number:




Correctly solved by:

1. Chad Fore Gate City, Virginia
2. James Alarie Flint, Michigan
3. Adam Niemi Mountain View High School,
Mountain View, Wyoming
4. Rylan Kellum Mountain View High School,
Mountain View, Wyoming
5. Mike Bova Wallingford Connecticut
5. Aubrey Newton Mountain View High School,
Mountain View, Wyoming