Sandy bought 65 books for $1480 from one shop and 55 books for $920 from another shop. What is the average price that Sandy paid per book?	Options:  A) $38  B) $18  C) $99  D) $27  E) $20
average price per book = (1480 + 920) / (65 + 55) = 2400 / 120= 
<gadget id="calculator">2400 / 120</gadget>
<output>20</output>
$20   The answer is $20.
<result>E</result>
Sandy bought 65 books for $1480 from one shop and 55 books for $920 from another shop. What is the average price that Sandy paid per book?