document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=71334>Question 71334</A>: <I><SPAN STYLE=\"word-break: break-all;\"> martin and anna buy books at a sale. martin buys 3 hardcover books and 4 paperback books for $6.50. Anna buys 2 hardcover books and 6 paperback books for $6.00. What is the cost, in dollars, of each hardcover book? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #51034 by </B><A HREF=/tutors/aboutme.mpl?userid=checkley75><B>checkley75(3666)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=checkley75><IMG SRC=http://www.algebra.com/images/aboutme-small.gif BORDER=0 alt=\"About Me\" VALIGN=MIDDLE></A>&nbsp;<IMG SRC=http://www.algebra.com/images/nopicture.jpg><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=51034\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> 3h+4p=6.50<BR>\n" );
document.write( "2h+6p=6.00 noe solve for h<BR>\n" );
document.write( "2h=-6p+6.00<BR>\n" );
document.write( "h=-6p/2+6.00/2<BR>\n" );
document.write( "h=-3p+3.00 now substitute (-3p+3.00) for h in the first equation thus:<BR>\n" );
document.write( "3(-3p+3.00)+4p=6.50<BR>\n" );
document.write( "-9p+9.00+4p=6.50<BR>\n" );
document.write( "-9p+4p=6.50-9.00<BR>\n" );
document.write( "-5p=-2.50<BR>\n" );
document.write( "p=-2.50/-5<BR>\n" );
document.write( "p=.50 is the price for the paper back books.<BR>\n" );
document.write( "now solve for h<BR>\n" );
document.write( "3h+4*.50=6.50<BR>\n" );
document.write( "3h+2.00=6.50<BR>\n" );
document.write( "3h=6.50-2.00<BR>\n" );
document.write( "3h=4.50<BR>\n" );
document.write( "h=4.50/3<BR>\n" );
document.write( "h=1.50 cost of the hard cover books.<BR>\n" );
document.write( "proof<BR>\n" );
document.write( "2*1.50+6*.50=6.00<BR>\n" );
document.write( "3.00+3.00=6.00<BR>\n" );
document.write( "6.00=6.00 </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );