document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=816464>Question 816464</A>: <I><SPAN STYLE=\"word-break: break-all;\"> The average is 40. The third is 12 more than the second is five times the first. the fourth is 8 less than the first find the numbers. </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #806001 by </B><A HREF=/tutors/aboutme.mpl?userid=CubeyThePenguin><B>CubeyThePenguin(3113)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=CubeyThePenguin><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=CubeyThePenguin><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=806001\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> first = a<BR>\n" );
document.write( "second = b<BR>\n" );
document.write( "third = c<BR>\n" );
document.write( "fourth = d\r<BR>\n" );
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document.write( "a + b + c + d = 160<BR>\n" );
document.write( "c = b + 12<BR>\n" );
document.write( "c = 5a<BR>\n" );
document.write( "d = a - 8.\r<BR>\n" );
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document.write( "Write everything in terms of one variable: a.\r<BR>\n" );
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document.write( "5a = b + 12 ---> b = 5a - 12<BR>\n" );
document.write( "c = 5a<BR>\n" );
document.write( "d = a - 8\r<BR>\n" );
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document.write( "a + b + c + d = 160<BR>\n" );
document.write( "a + (5a - 12) + 5a + (a - 8) = 160<BR>\n" );
document.write( "12a - 20 = 160<BR>\n" );
document.write( "12a = 180<BR>\n" );
document.write( "a = 15\r<BR>\n" );
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document.write( "The numbers are a = 15, b = 63, c = 75, and d = 7. </SPAN>\n" );
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