document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=686550>Question 686550</A>: <I><SPAN STYLE=\"word-break: break-all;\"> ten years from now, A will be twice as old as B. five years ago,A was three times as old as B. what are the present ages of A and B?<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 #424932 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=424932\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> ten years from now, A will be twice as old as B. five years ago,A was three times as old as B. what are the present ages of A and B?<BR>\n" );
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document.write( "Equations:<BR>\n" );
document.write( "a+10 = 2(b+10)<BR>\n" );
document.write( "a-5 = 3(b-5)<BR>\n" );
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document.write( "Rearrange:<BR>\n" );
document.write( "a - 2b = 10<BR>\n" );
document.write( "a - 3b = -10<BR>\n" );
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document.write( "Subtract and solve for \"b\":<BR>\n" );
document.write( "b = 20 (B's age now)<BR>\n" );
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document.write( "Solve for \"a\" using a = 2b + 10<BR>\n" );
document.write( "a = 2*20+10 = 50 (A's age now)<BR>\n" );
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document.write( "Cheers,<BR>\n" );
document.write( "Stan H.<BR>\n" );
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