document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1072374>Question 1072374</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( "2.8<BR>\n" );
document.write( " megabytes (MB). The size of the high-quality version is <BR>\n" );
document.write( "4.9<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( "2723<BR>\n" );
document.write( "MB. How many downloads of the standard version were there?  </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #687339 by </B><A HREF=/tutors/aboutme.mpl?userid=jorel1380><B>jorel1380(3719)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=jorel1380><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=jorel1380><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=687339\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Let n be the number of high-quality downloads sold. Then the number of standard downloads would be 800-n. So:<BR>\n" );
document.write( "4.9n+2.8(800-n)=2723<BR>\n" );
document.write( "4.9n+2240-2.8n=2723<BR>\n" );
document.write( "2.1n=483<BR>\n" );
document.write( "n=230<BR>\n" );
document.write( "800-n=570<BR>\n" );
document.write( "There were 230 high-quality downloads, and 570 standard downloads sold yesterday. &#9786;&#9786;&#9786;&#9786; </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );