Tickets for all but 100 seats in a 10,000-seat stadium were sold. Of the tickets sold, 25% were sold at half price and the remaining tickets were sold at the full price of $2. What was the total revenue from ticket sales?
Choices:
A) $15,840
B) $17,325
C) $18,000
D) $19,800
E) $21,780
10000 seats --&gt; Full Price : Half Price = 7500 : 2500   Price when all seats are filled = 15000 + 2500= 
<gadget id="calculator">15000 + 2500</gadget>
<output>17_500</output>
17500   100 seats are unsold --&gt; Loss due to unfilled seats= 25 + 2*75= 
<gadget id="calculator">25 + 2*75</gadget>
<output>175</output>
175   Revenue= 17500 - 175= 
<gadget id="calculator">17500 - 175</gadget>
<output>17_325</output>
17325   Answer: $17,325
<result>B</result>
Tickets for all but 100 seats in a 10,000-seat stadium were sold. Of the tickets sold, 25% were sold at half price and the remaining tickets were sold at the full price of $2. What was the total revenue from ticket sales?