document.write( "Question 1079717: please help me solve my word problem {nine books are to be bought by a student. Some cost $6 each and the remainder cost $6.50 each.If the total amount spend was $56, how many of each book are bought?}
\n" ); document.write( "
\n" ); document.write( "

Algebra.Com's Answer #693926 by josgarithmetic(39617)\"\" \"About 
You can put this solution on YOUR website!
\"system%286x%2B6.5y=56%2Cx%2By=9%29\"\r
\n" ); document.write( "
\n" ); document.write( "\n" ); document.write( "\"6x%2B6.5%289-x%29=56\"
\n" ); document.write( "\"6x-6.5x%2B58.5=56\"
\n" ); document.write( "\"-0.5x=56-58.5\"
\n" ); document.write( "\"0.5x=2.5\"
\n" ); document.write( "\"x=5\"
\n" ); document.write( "-
\n" ); document.write( "\"y=4\"
\n" ); document.write( "-\r
\n" ); document.write( "
\n" ); document.write( "\n" ); document.write( "5 of the $6 books
\n" ); document.write( "4 of the $6.50 books
\n" ); document.write( "
\n" );