document.write( "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. \n" ); document.write( "

Algebra.Com's Answer #685962 by josmiceli(19441) $\"\"$ $\"About$

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Let $\"+N+\"$ = number of books received
\n" ); document.write( " $\"+n+\"$ = number of books that are paid for
\n" ); document.write( " $\"+N+=+n+%2B+n%2F2++\"$
\n" ); document.write( "---------------------
\n" ); document.write( " $\"+n+=+16+\"$
\n" ); document.write( " $\"+N+=+16+%2B+16%2F2+\"$
\n" ); document.write( " $\"+N+=+16+%2B+8+\"$
\n" ); document.write( " $\"+N+=+24+\"$
\n" ); document.write( "( note that $\"+n+\"$ must be even, or else you
\n" ); document.write( "ignore half-books when $\"+n+\"$ is odd )
\n" ); document.write( " \n" ); document.write( "

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