document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1109910>Question 1109910</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Barry’s present age is 4 times his sons age. In 5 years time Barry’s age will be 3 times his sons age. What is his sons present age?\r<BR>\n" );
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document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #724886 by </B><A HREF=/tutors/aboutme.mpl?userid=rothauserc><B>rothauserc(4718)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=rothauserc><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=rothauserc><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=724886\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> let x be Barry's son's age<BR>\n" );
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document.write( "4x +5 = 3 * (x+5)<BR>\n" );
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document.write( "4x +5 = 3x +15<BR>\n" );
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document.write( "x = 10<BR>\n" );
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document.write( "Barry's son's age is 10<BR>\n" );
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document.write( "check the answer<BR>\n" );
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document.write( "if Barry's son is 10 years old, then Barry is 4 * 10 = 40<BR>\n" );
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document.write( "40 +5 = 3 * (10+5)<BR>\n" );
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document.write( "45 = 45<BR>\n" );
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document.write( "the answer checks<BR>\n" );
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