document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=975356>Question 975356</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 2.5 megabytes (MB). The size of the high-quality version is 4.9 MB. Yesterday, there were 710 downloads of the song, for a total download size of 2279 MB. How many downloads of the high-quality version were these? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #597141 by </B><A HREF=/tutors/aboutme.mpl?userid=Boreal><B>Boreal(15235)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=Boreal><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=Boreal><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=597141\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> x= the standard version<BR>\n" );
document.write( "y=the 4.9 version\r<BR>\n" );
document.write( "\n" );
document.write( "x+y=710\r<BR>\n" );
document.write( "\n" );
document.write( "2.5x + 4.9 y=2279\r<BR>\n" );
document.write( "\n" );
document.write( "multiply first by (-2.5)<BR>\n" );
document.write( "-2.5x-2.5y = -1775;; Now add the first and the second to eliminate x.\r<BR>\n" );
document.write( "\n" );
document.write( "2.4 y=504;;; divide both sides by 2.4<BR>\n" );
document.write( "y=210 of the 4.9 MB<BR>\n" );
document.write( "x=500 of the 2.5 MB\r<BR>\n" );
document.write( "\n" );
document.write( "Check<BR>\n" );
document.write( "210*4.9=1029<BR>\n" );
document.write( "500*2.5=1250<BR>\n" );
document.write( "Total is 2279 , all units are MB </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );