SOLUTION: If a customer pays for 2 books they get 1 book free. If Pat paid for a box of 16 books, how many books does he get for free? How many books does Pat have? Write division and additi

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Question 1070987: If a customer pays for 2 books they get 1 book free. If Pat paid for a box of 16 books, how many books does he get for free? How many books does Pat have? Write division and addition equations to show how the quantities are related.
Answer by josmiceli(19441) About Me  (Show Source):
You can put this solution on YOUR website!
Let +N+ = number of books received
+n+ = number of books that are paid for
+N+=+n+%2B+n%2F2++
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+n+=+16+
+N+=+16+%2B+16%2F2+
+N+=+16+%2B+8+
+N+=+24+
( note that +n+ must be even, or else you
ignore half-books when +n+ is odd )