At a company, of the employees in Department A and of the employees in Department B attended a mandatory training session. Given that the number of employees who attended from Department A was the same as the number from Department B, which of the following must be true?
There are three times as many employees in Department A as in Department B.
There are three times as many employees in Department B as in Department A.
There are as many employees in Department A as in Department B.
There are four times as many employees in Department A as in Department B.
There are four times as many employees in Department B as in Department A.
