Question

A​ 4-story office building has cubicles for 348plus313plus306plus308 workers. While one floor is closed for​ repairs, the office has cubicles for 348plus306plus308 workers. How many cubicles are there on the floor that is​ closed? Explain.

Answer 1

313

Explanation:

We observe that the numbers of cubicles on the open floors have not changed, so we can match the numbers to find the missing one.

The closed floor has 313 cubicles.