document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1144195>Question 1144195</A>: <I><SPAN STYLE=\"word-break: break-all;\"> David is two years older than peter and five years older than John.Their ages add up to 44.  How old is John? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #765225 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=765225\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> let d = david's age.<BR>\n" );
document.write( "let p = peter's age.<BR>\n" );
document.write( "let j = john's age.\r<BR>\n" );
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document.write( "david is 2 years older than peter, therefore d = p + 2.<BR>\n" );
document.write( "david is 5 years older than john, therefore d = j + 5.\r<BR>\n" );
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document.write( "you are given that d + p + j = 44\r<BR>\n" );
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document.write( "in d = p + 2, solve for p to  get:<BR>\n" );
document.write( "p = d - 2.\r<BR>\n" );
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document.write( "in d = j + 5, solve for j to get:<BR>\n" );
document.write( "j = d - 5.\r<BR>\n" );
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document.write( "replace p and j with their equivalent values in d to get:<BR>\n" );
document.write( "d + p + j = 44 becomes:<BR>\n" );
document.write( "d + (d - 2) + (d - 5) = 44<BR>\n" );
document.write( "combine like terms to get:<BR>\n" );
document.write( "3 * d - 7 = 44<BR>\n" );
document.write( "add 7 to both sides of the equation to get 3 * d = 51<BR>\n" );
document.write( "solve for d to get d = 51 / 3 = 17.\r<BR>\n" );
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document.write( "since d = p + 2, then p = 15.<BR>\n" );
document.write( "since d = j + 5, then j = 12.\r<BR>\n" );
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document.write( "d + p + j becomes 17 + 15 + 12 = 44\r<BR>\n" );
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document.write( "the values for d and p and j are confirmed to be good.\r<BR>\n" );
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document.write( "the solution is that john is 12 years old.\r<BR>\n" );
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document.write( " </SPAN>\n" );
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