document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=994352>Question 994352</A>: <I><SPAN STYLE=\"word-break: break-all;\"> A is 7 year older to B. 15 years ago B's age was three fourth of A's age. Find their ages in years now </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #613460 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=613460\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> A is 7 year older to B. 15 years ago B's age was three fourth of A's age. Find their ages in years now <BR>\n" );
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document.write( "Equations:<BR>\n" );
document.write( "A = B + 7<BR>\n" );
document.write( "B-15 = (3/4)(A-15)<BR>\n" );
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document.write( "Substitute for \"A\" and solve for \"B\":<BR>\n" );
document.write( "B-15 = (3/4)(B+7-15)<BR>\n" );
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document.write( "4(B-15) = 3(B-8)<BR>\n" );
document.write( "4B-60 = 3B-24<BR>\n" );
document.write( "B = 36 yrs (B's age now)<BR>\n" );
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document.write( "A = B + 7 = 43 yrs (A's age now)\r<BR>\n" );
document.write( "\n" );
document.write( "--------<BR>\n" );
document.write( "Cheers,<BR>\n" );
document.write( "Stan H.<BR>\n" );
document.write( "-------- </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );