document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1020230>Question 1020230</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Tom's age is 75% of Gerry's age. In 6 years , he will be 80% of Gerry's age. Find tom's age now? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #636130 by </B><A HREF=/tutors/aboutme.mpl?userid=robertb><B>robertb(5830)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=robertb><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=robertb><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=636130\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Let t = Tom's age now, and g = Gerry's age now.<BR>\n" );
document.write( "Then from the first sentence we get\r<BR>\n" );
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document.write( "t = 0.75g      (Equation A)\r<BR>\n" );
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document.write( "From the second sentence, we get\r<BR>\n" );
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document.write( "t + 6 = 0.80(g+6)     (Equation B)\r<BR>\n" );
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document.write( "substituting Eqn.A into Eqn.B, we obtain\r<BR>\n" );
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document.write( "0.75g + 6 = 0.80(g+6)<BR>\n" );
document.write( "==> 0.75g + 6 = 0.80g + 4.8<BR>\n" );
document.write( "==> 1.2 = 0.05g<BR>\n" );
document.write( "==> g = 1.2/0.05 = 24, Gerry's age now<BR>\n" );
document.write( "==> t = 0.75*24 = <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=highlight%2818%29 ALIGN=MIDDLE  ALT=\"highlight%2818%29\"   DISABLED_style= \"max-width:90%; height:auto;\" >, Tom's age now.\r<BR>\n" );
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document.write( " </SPAN>\n" );
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