27. The Kingston High School multimedia room has 108 seats, which are all arranged in rows. The number of seats in each row is 3 less than the number of rows. How many rows of seats are in the multimedia room?

Answer and Explanation

Your Answer is

Correct Answer is C

Explanation

Assuming that there are x rows in total, each row has x-3 seats, so the equation x\×(x-3)=108 is obtained, and the value of x is 12. Choose C.