Answer:
162 seats
Explanation:
A movie theater has two rooms. Room A has 9 rows of seats with 18 seats in each row.
From the question:
1 row = 18 seats
9 rows = x seats
Cross Multiply
1 row × x = 9 rows × 18 seats
x = 9 rows × 18 seats/1 row
x = 162 seats
There are 162 seats in Room A.