rahim bought 52 books for rs. 1200 from one shop and 32 books for rs. 480 from another. what is the average price he paid per book? Choose the correct answer:  A) s . 17  B) s . 18  C) s . 12  D) s . 20  E) s . 10
<gadget id="calculator">1_200 + 480</gadget>
<output>1_680</output>

<gadget id="calculator">52 + 32</gadget>
<output>84</output>

<gadget id="calculator">1_680 / 84</gadget>
<output>20</output>

<result>D</result>
rahim bought 52 books for rs. 1200 from one shop and 32 books for rs. 480 from another. what is the average price he paid per book?
divide(add(1200, 480), add(52, 32))
"average price per book = ( 1200 + 480 ) / ( 52 + 32 ) = 1680 / 84 = rs . 20 answer : d"