document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=711718>Question 711718</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Mark is 8 years younger than Gerry. In ten years, he will be ten years more than one-half as old as Gerry. Find their present ages. </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #437558 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=437558\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Mark is 8 years younger than Gerry. In ten years, he will be ten years more than one-half as old as Gerry. Find their present ages.<BR>\n" );
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document.write( "Equations:<BR>\n" );
document.write( "m = g - 8<BR>\n" );
document.write( "m+10 = (1/2)(g+10)+10<BR>\n" );
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document.write( "Substitute for \"m\" and solve for \"g\":<BR>\n" );
document.write( "g-8+10 = (1/2)(g+10)+10<BR>\n" );
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document.write( "g - 8 = (1/2)(g+10)<BR>\n" );
document.write( "2g - 16 = g+10<BR>\n" );
document.write( "g = 26 (Gerry's age now)<BR>\n" );
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document.write( "Solve for \"m\":<BR>\n" );
document.write( "m = g - 8<BR>\n" );
document.write( "m = 24 years (Mark's age now)\r<BR>\n" );
document.write( "\n" );
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document.write( "Cheers,<BR>\n" );
document.write( "Stan H.<BR>\n" );
document.write( "===========<BR>\n" );
document.write( " </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );