2004 AMC 12B Problems/Problem 1
Problem
Each row of the Misty Moon Amphitheater has 33 seats. Rows 12 through 22 are reserved for a youth club. How many seats are reserved for this club?
Solution
There are 22-12+1=11 rows reserved for the youth club, and at 33 seats per row, there are 33*11 seats reserved.
33*11=363