document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=151275>Question 151275</A>: <I><SPAN STYLE=\"word-break: break-all;\"> The cost of 5 similar textbooks and 10 identical bookmarks is $63. 5 bookmarks cost as much as 2 textbooks. Find the cost of a textbook. </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #111175 by </B><A HREF=/tutors/aboutme.mpl?userid=jojo14344><B>jojo14344(1513)</B></A><img src=\"/images/stars/stars-12.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=jojo14344><IMG SRC=http://www.algebra.com/images/aboutme-small.gif BORDER=0 alt=\"About Me\" VALIGN=MIDDLE></A>&nbsp;<IMG SRC=http://www.algebra.com/images/nopicture.jpg><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=111175\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Let \"$x\" = cost of bookmark; \"$y\" = cost of textbook<BR>\n" );
document.write( "There 5 bookmarks & 10 textbooks that cost $63. Equating that fact,<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=5x%2B10y=63 ALIGN=MIDDLE  ALT=\"5x%2B10y=63\"   DISABLED_style= \"max-width:90%; height:auto;\" > -------------------> eqn 1<BR>\n" );
document.write( "Also, 5 bookmarks cost as much as 2 textbooks. Equating that fact,<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=5x=2y ALIGN=MIDDLE  ALT=\"5x=2y\"   DISABLED_style= \"max-width:90%; height:auto;\" > -------------------------> eqn 2<BR>\n" );
document.write( "In eqn 2 we get, <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=x=%282y%29%2F5 ALIGN=MIDDLE  ALT=\"x=%282y%29%2F5\"   DISABLED_style= \"max-width:90%; height:auto;\" > and substitute in eqn 1,<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=cross%285%29%28%282y%29%2Fcross%285%29%29%2B10y=63 ALIGN=MIDDLE  ALT=\"cross%285%29%28%282y%29%2Fcross%285%29%29%2B10y=63\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=12y=63 ALIGN=MIDDLE  ALT=\"12y=63\"   DISABLED_style= \"max-width:90%; height:auto;\" > ---------------> <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=y=63%2F12 ALIGN=MIDDLE  ALT=\"y=63%2F12\"   DISABLED_style= \"max-width:90%; height:auto;\" > ------> y=$5.25/each for textbook<BR>\n" );
document.write( "To finish it, go back eqn 2,<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=5x=2%285.25%29 ALIGN=MIDDLE  ALT=\"5x=2%285.25%29\"   DISABLED_style= \"max-width:90%; height:auto;\" > ----------><IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=x=10.5%2F5 ALIGN=MIDDLE  ALT=\"x=10.5%2F5\"   DISABLED_style= \"max-width:90%; height:auto;\" > -------> x=$2.10/each for bookmark<BR>\n" );
document.write( "In doubt? go back eqn1,<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=5%282.10%29%2B10%285.25%29=63 ALIGN=MIDDLE  ALT=\"5%282.10%29%2B10%285.25%29=63\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=10.5%2B52.5=63 ALIGN=MIDDLE  ALT=\"10.5%2B52.5=63\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=63=63 ALIGN=MIDDLE  ALT=\"63=63\"   DISABLED_style= \"max-width:90%; height:auto;\" >, cool!<BR>\n" );
document.write( "Thank you<BR>\n" );
document.write( "Jojo<BR>\n" );
document.write( " </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );