1. The given text is a historical statement about the architectural firm Adler & Sullivan formed in 1879 by Louis Sullivan and Dankmar Adler. 2. The sentence "In 1879, Louis Sullivan and Dankmar Adler formed the innovative architectural firm Adler & Sullivan the two designed more than one hundred buildings that are considered treasures of architecture." is missing proper punctuation between the two independent clauses. 3. To correct this, we can add a comma or semicolon after "Adler & Sullivan" to separate the clauses properly. 4. Corrected sentence with a comma: "In 1879, Louis Sullivan and Dankmar Adler formed the innovative architectural firm Adler & Sullivan, the two designed more than one hundred buildings that are considered treasures of architecture." 5. Alternatively, with a semicolon: "In 1879, Louis Sullivan and Dankmar Adler formed the innovative architectural firm Adler & Sullivan; the two designed more than one hundred buildings that are considered treasures of architecture." 6. Both punctuation marks are acceptable here to separate closely related independent clauses. 7. No mathematical problem is present to solve in this text.