document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=656228>Question 656228</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Chelsea can buy 3 CDs and 3 cassette tapes for the same price as 4 video cassettes. She has enough money to buy 28 video cassettes. How many videos can she buy if she wants to buy and equal number of CDs, tapes, and videos if she spends all her money?\r<BR>\n" );
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document.write( "Unless I'm completely wrong 28 videos would equal 21 CDs and 21 cassette tapes (28v=21c+21t) but I can't figure out what to do from there (if I'm even on the right track) </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #409423 by </B><A HREF=/tutors/aboutme.mpl?userid=josmiceli><B>josmiceli(19441)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=josmiceli><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/cgi-bin/show-face.mpl?user=josmiceli><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=409423\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Call cost of 1 CD <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+x+ ALIGN=MIDDLE  ALT=\"+x+\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "Call cost of 1 cassette tape <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+y+ ALIGN=MIDDLE  ALT=\"+y+\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "Call cost of 1 video cassette <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+z+ ALIGN=MIDDLE  ALT=\"+z+\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "given:<BR>\n" );
document.write( "(1) <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+3x+%2B+3y+=+4z+ ALIGN=MIDDLE  ALT=\"+3x+%2B+3y+=+4z+\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "(2) <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+n%2Ax+%2B+n%2Ay+%2B+n%2Az+=+28z+ ALIGN=MIDDLE  ALT=\"+n%2Ax+%2B+n%2Ay+%2B+n%2Az+=+28z+\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "From (1)<BR>\n" );
document.write( "(1) <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+x+%2B+y+=+%284%2F3%29%2Az+ ALIGN=MIDDLE  ALT=\"+x+%2B+y+=+%284%2F3%29%2Az+\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "From (2)<BR>\n" );
document.write( "(2) <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+n+=+%2828z%29+%2F+%28+x+%2B+y+%2B+z+%29+ ALIGN=MIDDLE  ALT=\"+n+=+%2828z%29+%2F+%28+x+%2B+y+%2B+z+%29+\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "(2) <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+n+=+%2828z%29+%2F+%28%284%2F3%29%2Az+%2B+z+%29+ ALIGN=MIDDLE  ALT=\"+n+=+%2828z%29+%2F+%28%284%2F3%29%2Az+%2B+z+%29+\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "(2) <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+n+=+28+%2F+%287%2F3%29+ ALIGN=MIDDLE  ALT=\"+n+=+28+%2F+%287%2F3%29+\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "(2) <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+n+=+12+ ALIGN=MIDDLE  ALT=\"+n+=+12+\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "She can buy 12 video cassettes<BR>\n" );
document.write( "Hope I got it\r<BR>\n" );
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