A 4-story office building has cubicles for 309 +336 + 301 + 326 workers. While one floor is closed for repairs, the office has cubicles for 309 + 301 + 326 workers. How many cubicles are there on the floor
that is closed? Explain.
There is/are cubicle(s) on the closed floor. The second expression is the same as the first except
that
(Type a whole number.)