In a public show 75 % of the seats were filled. If there were 600 seats in the hall, how many seats were vacant?
Answers:
A) 100
B) 110
C) 120
D) 140
E) 150
75 % of 600   = 75/100 × 600   = 450   Therefore, the number of vacant seats = 600 - 450= 
<gadget id="calculator">600 - 450</gadget>
<output>150</output>
150.   Answer:150
<result>E</result>
In a public show 75 % of the seats were filled. If there were 600 seats in the hall, how many seats were vacant?