A collection of books went on sale, and 2/3 of them were sold for $5 each. If none of the 50 remaining books were sold, what was the total amount received for the books that were sold?
Choose the correct answer:
A) $550  B) $600  C) $500  D) $400  E) $450
If 50 books constitute 1/3rd of the total, then 2/3rd of the total = 100 books   Amount received for sold books = 100 * 5= 
<gadget id="calculator">100 * 5</gadget>
<output>500</output>
$500   Answer :$500
<result>C</result>
A collection of books went on sale, and 2/3 of them were sold for $5 each. If none of the 50 remaining books were sold, what was the total amount received for the books that were sold?