In a public show 45 % of the seats were filled. If there were 600 seats in the hall, how many seats were vacant? Choose the correct choice from the following answers.
A) 330	B) 110	C) 120	D) 140	E) 150
75 % of 600   = 45/100 × 600   = 270   Therefore, the number of vacant seats = 600 - 270= 
<gadget id="calculator">600 - 270</gadget>
<output>330</output>
330.   330nswer:330
<result>A</result>
In a public show 45 % of the seats were filled. If there were 600 seats in the hall, how many seats were vacant?