document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=897331>Question 897331</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Can someone show me how to set up this problem:\r<BR>\n" );
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document.write( "Two Companies revenue together totaled $848.5 billion. Walmart revenues were $37.3 billion less than Exxon revenues. What were the revenues of each corporation? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #544078 by </B><A HREF=/tutors/aboutme.mpl?userid=Theo><B>Theo(13342)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=Theo><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=Theo><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=544078\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> w = revenue for walmart.<BR>\n" );
document.write( "e = revenue for exxon.\r<BR>\n" );
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document.write( "together they made 848.5 billion.<BR>\n" );
document.write( "formula becomes:<BR>\n" );
document.write( "w + e = 848.5 billion\r<BR>\n" );
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document.write( "walmart revenues were 37.3 billion less than exxon revenue.<BR>\n" );
document.write( "formula for that becomes:<BR>\n" );
document.write( "w = e - 37.3 billion\r<BR>\n" );
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document.write( "in the equation for revenues of both, you can now substitute e - 37.3 billion for w and then you can solve for e.\r<BR>\n" );
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document.write( "you get:<BR>\n" );
document.write( "w + e = 848.5 billion.<BR>\n" );
document.write( "replace w with e - 37.3 billion and you get:<BR>\n" );
document.write( "e - 37.3 + e = 848.5 billion<BR>\n" );
document.write( "simplify by combining like terms to get:<BR>\n" );
document.write( "2e - 37.3 = 848.5<BR>\n" );
document.write( "add 37.3 to both sides of the equation to get:<BR>\n" );
document.write( "2e = 848.5 + 37.3<BR>\n" );
document.write( "simplify to get:<BR>\n" );
document.write( "2e = 885.8<BR>\n" );
document.write( "divide both sides of the equation by 2 to get:<BR>\n" );
document.write( "e = 442.9\r<BR>\n" );
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document.write( "if e = 442.9, then w must be equal to 442.9 -37.3 which is equal to 405.6 billion.<BR>\n" );
document.write( "that's because walmart revenues are 37.3 billion less than exxon revenues.\r<BR>\n" );
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document.write( "so you get:\r<BR>\n" );
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document.write( "w = 405.6 billion.<BR>\n" );
document.write( "e = 442.9 billion.\r<BR>\n" );
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document.write( "w + e = 848.5 billion\r<BR>\n" );
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document.write( "problem is solved.\r<BR>\n" );
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document.write( " </SPAN>\n" );
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