document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=445895>Question 445895</A>: <I><SPAN STYLE=\"word-break: break-all;\"> 7 audio cassettes and 3 video cassettes cost rs 1110,while 5 audio cassettes and 4 video cassettes cost rs 1350 find the cost of an audio cassette and a video casette </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #853317 by </B><A HREF=/tutors/aboutme.mpl?userid=josgarithmetic><B>josgarithmetic(39792)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=josgarithmetic><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=853317\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> price of audio cassette, a<BR>\n" );
document.write( "price of video cassette, v\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=system%287a%2B3v=1110%2C5a%2B4v=1350%29 ALIGN=MIDDLE  ALT=\"system%287a%2B3v=1110%2C5a%2B4v=1350%29\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "Multiplying each to get coefficient 12 for v,<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=system%2828a%2B12v=4440%2C15a%2B12v=4050%29 ALIGN=MIDDLE  ALT=\"system%2828a%2B12v=4440%2C15a%2B12v=4050%29\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "Subtract second from first<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=13a=390 ALIGN=MIDDLE  ALT=\"13a=390\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=highlight%28a=30%29 ALIGN=MIDDLE  ALT=\"highlight%28a=30%29\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "Substitute a found into first equation<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=7%2A30%2B3v=1110 ALIGN=MIDDLE  ALT=\"7%2A30%2B3v=1110\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=3v=1110-210 ALIGN=MIDDLE  ALT=\"3v=1110-210\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=v=370-70 ALIGN=MIDDLE  ALT=\"v=370-70\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=highlight%28v=300%29 ALIGN=MIDDLE  ALT=\"highlight%28v=300%29\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
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