Sandy bought 65 books for $1180 from one shop and 55 books for $860 from another shop. What is the average price that Sandy paid per book?
Select:
A) $13 B) $15 C) $17 D) $19 E) $21
average price per book = (1180 + 860) / (65 + 55) = 2040 / 120= 
<gadget id="calculator">2040 / 120</gadget>
<output>17</output>
$17   The answer is $17.
<result>C</result>
Sandy bought 65 books for $1180 from one shop and 55 books for $860 from another shop. What is the average price that Sandy paid per book?