document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1043243>Question 1043243</A>: <I><SPAN STYLE=\"word-break: break-all;\"> MATHS Q:<BR>\n" );
document.write( "A girl went to school nd her teachr askd,how old ar u?she replied i dnt knw ,bt i knw dat am half my mum's age,de teachr askd hw old is yo mum?she replid i dnt knw bt my dad is 5yrs oldr than my mum.de teach askd how old is yo dad she replied i dnt knw bt i knw dat if u add our ages the answr is 100years.<BR>\n" );
document.write( ">nw hw old is<BR>\n" );
document.write( "..de girl?<BR>\n" );
document.write( "..her mum? and<BR>\n" );
document.write( "..her dad?<BR>\n" );
document.write( "am waiting 4 da answ==<BR>\n" );
document.write( "(15min). </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #658359 by </B><A HREF=/tutors/aboutme.mpl?userid=Cromlix><B>Cromlix(4381)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=Cromlix><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/cgi-bin/show-face.mpl?user=Cromlix><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=658359\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Hi there,<BR>\n" );
document.write( "Girl is 1/2 Mum's age<BR>\n" );
document.write( "G = 1/2M .........(1)<BR>\n" );
document.write( "Dad is 5 years older than Mum<BR>\n" );
document.write( "D = 5 + M.........(2)<BR>\n" );
document.write( "Add Dad's + Girl's and Mum's ages = 100<BR>\n" );
document.write( "D + G + M = 100........(3)<BR>\n" );
document.write( ".....................<BR>\n" );
document.write( "Replace D with 5 + M (Eq 1)<BR>\n" );
document.write( "Replace G with 1/2M (Eq 2)<BR>\n" );
document.write( "in Equation (3)<BR>\n" );
document.write( "D + G + M = 100<BR>\n" );
document.write( "(5 + M) + 1/2M + M = 100<BR>\n" );
document.write( "5 + M + 1/2M + M = 100<BR>\n" );
document.write( "Collect like terms<BR>\n" );
document.write( "M + 1/2M + M = 100 - 95<BR>\n" );
document.write( "5/2M = 95<BR>\n" );
document.write( "M = 92 x 95)/5<BR>\n" );
document.write( "M = 38<BR>\n" );
document.write( "G = 1/2M .........(1)<BR>\n" );
document.write( "Girl = 19 years old<BR>\n" );
document.write( "D = 5 + M.........(2)<BR>\n" );
document.write( "Dad = 43 years old<BR>\n" );
document.write( "Mum = 38 years old<BR>\n" );
document.write( "D + G + M = 100........(3)<BR>\n" );
document.write( "43 + 38 + 19 = 100<BR>\n" );
document.write( "Hope this helps :-)<BR>\n" );
document.write( " </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );