document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1033272>Question 1033272</A>: <I><SPAN STYLE=\"word-break: break-all;\"> A Web music store offers two versions of a popular song. The size of the standard version is <BR>\n" );
document.write( "2.7<BR>\n" );
document.write( " megabytes (MB). The size of the high-quality version is <BR>\n" );
document.write( "4.5<BR>\n" );
document.write( "MB. Yesterday, there were <BR>\n" );
document.write( "800<BR>\n" );
document.write( " downloads of the song, for a total download size of <BR>\n" );
document.write( "2700<BR>\n" );
document.write( " MB. How many downloads of the high-quality version were there? <BR>\n" );
document.write( " </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #647837 by </B><A HREF=/tutors/aboutme.mpl?userid=ikleyn><B>ikleyn(52776)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=ikleyn><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=ikleyn><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=647837\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> .<BR>\n" );
document.write( "A Web music store offers two versions of a popular song. The size of the standard version is 2.7 megabytes (MB). <BR>\n" );
document.write( "The size of the high-quality version is 4.5 MB. Yesterday, there were 800 downloads of the song, for a total download size <BR>\n" );
document.write( "of 2700 MB. How many downloads of the high-quality version were there? <BR>\n" );
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document.write( "<PRE STYLE=\"white-space: pre-wrap; white-space: -moz-pre-wrap; white-space: -pre-wrap; white-space: -o-pre-wrap; word-wrap: break-word;\">\r\n" );
document.write( "Let x = # of 2.7 MB,\r\n" );
document.write( "    y = # of 4.5 MB.\r\n" );
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document.write( "Then\r\n" );
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document.write( "   x +    y =  800,    1)\r\n" );
document.write( "2.7x + 4.5y = 2700.   (2)\r\n" );
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document.write( "Solve this system, and you will get the answer.\r\n" );
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document.write( "You can use the substitution method.\r\n" );
document.write( "</PRE>\r<BR>\n" );
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document.write( "</TD></TR></TABLE>\n" );