document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=850581>Question 850581</A>: <I><SPAN STYLE=\"word-break: break-all;\"> A gold coin is 84 years older than a silver coin. Twenty years ago, the gold coin was three times as old as the silver coin was then. Find the present ages of the two coins.  </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #512227 by </B><A HREF=/tutors/aboutme.mpl?userid=stanbon><B>stanbon(75887)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=stanbon><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/images/nopicture.jpg><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=512227\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> A gold coin is 84 years older than a silver coin. Twenty years ago, the gold coin was three times as old as the silver coin was then. Find the present ages of the two coins. <BR>\n" );
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document.write( "Equations:<BR>\n" );
document.write( "g =  s + 84 <BR>\n" );
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document.write( "g-20 = 3(s-12)<BR>\n" );
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document.write( "Substitute and solve for \"s\":<BR>\n" );
document.write( "s+84-20 = 3s-36<BR>\n" );
document.write( "2s = 100<BR>\n" );
document.write( "s = 50 yrs. (age of the silver coin)<BR>\n" );
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document.write( "Solve for \"g\":<BR>\n" );
document.write( "g = s + 84 <BR>\n" );
document.write( "g = 50+84 = 134 yrs. (age of the gold coin)<BR>\n" );
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document.write( "Cheers,<BR>\n" );
document.write( "Stan H.<BR>\n" );
document.write( "===================== </SPAN>\n" );
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