document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=333745>Question 333745</A>: <I><SPAN STYLE=\"word-break: break-all;\"> My algebra teacher gave us this problem, I don't know how to start solving it. Please help me.<BR>\n" );
document.write( "Marty is 1/3 as old as her mother. Five years ago she was only 1/5 of the age of her mother. How old is Marty? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #239162 by </B><A HREF=/tutors/aboutme.mpl?userid=ankor@dixie-net.com><B>ankor@dixie-net.com(22740)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=ankor@dixie-net.com><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=ankor@dixie-net.com><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=239162\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Let m = mother's present age<BR>\n" );
document.write( "Let d = daughter's present age (Marty)<BR>\n" );
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document.write( "Write an equation for each statement:<BR>\n" );
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document.write( "Marty is 1/3 as old as her mother.<BR>\n" );
document.write( "d = <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=1%2F3 ALIGN=MIDDLE  ALT=\"1%2F3\"   DISABLED_style= \"max-width:90%; height:auto;\" >m<BR>\n" );
document.write( "or we can say<BR>\n" );
document.write( "m = 3d<BR>\n" );
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document.write( "Five years ago she was only 1/5 of the age of her mother.<BR>\n" );
document.write( "d - 5 = <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=1%2F5 ALIGN=MIDDLE  ALT=\"1%2F5\"   DISABLED_style= \"max-width:90%; height:auto;\" >(m-5)<BR>\n" );
document.write( "Mult both sides by 5, get rid of that fraction<BR>\n" );
document.write( "5(d-5) = m - 5<BR>\n" );
document.write( "5d - 25 = m - 5<BR>\n" );
document.write( "5d = m - 5 + 25<BR>\n" );
document.write( "5d = m + 20<BR>\n" );
document.write( "Replace m with 3d<BR>\n" );
document.write( "5d = 3d + 20<BR>\n" );
document.write( "5d - 3d = 20<BR>\n" );
document.write( "2d = 20<BR>\n" );
document.write( "d = 10 yrs is Marty<BR>\n" );
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document.write( "check solution in the statement; m = 3(10) = 30 is mom<BR>\n" );
document.write( "\"Five years ago she was only 1/5 of the age of her mother.<BR>\n" );
document.write( "10 - 5 = <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=1%2F5 ALIGN=MIDDLE  ALT=\"1%2F5\"   DISABLED_style= \"max-width:90%; height:auto;\" >(30 - 5)\r<BR>\n" );
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document.write( " </SPAN>\n" );
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