document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=647801>Question 647801</A>: <I><SPAN STYLE=\"word-break: break-all;\"> a mother is presently 5 years older than twice her daughter's sge. 10 years ago the product of the mother and daughter's age was equal to 125.What is the mom's age? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #406390 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=406390\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> a mother is presently 5 years older than twice her daughter's sge. 10 years ago the product of the mother and daughter's age was equal to 125.What is the mom's age?<BR>\n" );
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document.write( "Equations:<BR>\n" );
document.write( "m = 2d + 5<BR>\n" );
document.write( "(m-10)(d-10) = 125<BR>\n" );
document.write( "-------------<BR>\n" );
document.write( "Substitute for \"m\" and solve for \"d:<BR>\n" );
document.write( "(2d+5-10)(d-10) = 125<BR>\n" );
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document.write( "(2d-5)(d-10) = 125<BR>\n" );
document.write( "2d^2-25d+50-125 = 0<BR>\n" );
document.write( "---<BR>\n" );
document.write( "2d^2 - 25d -75 = 0<BR>\n" );
document.write( "-----<BR>\n" );
document.write( "(d-15)(2d+5) = 0<BR>\n" );
document.write( "d = 15 (daughter's age)<BR>\n" );
document.write( "---<BR>\n" );
document.write( "m = 2d+5 = 35 (mom's age)<BR>\n" );
document.write( "===============================<BR>\n" );
document.write( "Cheers,<BR>\n" );
document.write( "Stan H. </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );