In a public show 75 % of the seats were filled. If there were 700 seats in the hall, how many seats were vacant?	Choose the correct option:	A) 100	B) 110	C) 120	D) 175	E) 150

Rationale: "75 % of 600 = 75 / 100 × 700 = 450 therefore , the number of vacant seats = 700 - 450 = 175 . answer : d"
Answer: D