There are 15 tables in the school's cafeteria. Each table can seat 10 people. Usually, only 1/10 of the seats are left unseated. How many seats are usually taken? Let's answer step by step:
User
The cafeteria can seat 15 x 10 = 150 people. Usually, 150 x 1 / 10 = 15 seat are unseated. Thus, 150 - 15 = 135 seats are usually taken. The answer: 135.
Assistant