In a public show 45 % of the seats were filled. If there were 600 seats in the hall, how many seats were vacant? Select
A) 330
B) 110
C) 120
D) 140
E) 150

Rationale: 75 % of 600 = 45 / 100 × 600 = 270 therefore , the number of vacant seats = 600 - 270 = 330 . answer : a
Answer: A