document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=682744>Question 682744</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Age Problems\r<BR>\n" );
document.write( "\n" );
document.write( "Can you please help me write this into an equation.<BR>\n" );
document.write( "Seven years ago, Meuy's age was three times her sister Mouang's age. At present Meuy is eight years older than her sister. Find Meuy's present age. </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #423335 by </B><A HREF=/tutors/aboutme.mpl?userid=MathTherapy><B>MathTherapy(10551)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=MathTherapy><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=MathTherapy><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=423335\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> <BR>\n" );
document.write( "Age Problems\r<BR>\n" );
document.write( "\n" );
document.write( "Can you please help me write this into an equation.<BR>\n" );
document.write( "Seven years ago, Meuy's age was three times her sister Mouang's age. At present Meuy is eight years older than her sister. Find Meuy's present age.\r<BR>\n" );
document.write( "<BR>\n" );
document.write( "\n" );
document.write( "Let Meuy’s current age be M, and her sister, Mouang's current age, S<BR>\n" );
document.write( "Then: M – 7 = 3(S - 7) ----- M – 7 = 3S – 21 ----- M – 3S = - 14 ----- eq (i)<BR>\n" );
document.write( "Also, M = S + 8 ----- S = M – 8 ----- eq (ii)\r<BR>\n" );
document.write( "<BR>\n" );
document.write( "\n" );
document.write( "M – 3(M – 8) = - 14 ------- Substituting M – 8 for S in eq (i)<BR>\n" );
document.write( "M – 3M + 24 = - 14 <BR>\n" );
document.write( "– 2M = - 38<BR>\n" );
document.write( "M, or Meuy’s current age = <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=%28-+38%29%2F-+2 ALIGN=MIDDLE  ALT=\"%28-+38%29%2F-+2\"   DISABLED_style= \"max-width:90%; height:auto;\" >, or <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=highlight_green%2819%29 ALIGN=MIDDLE  ALT=\"highlight_green%2819%29\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
document.write( "<BR>\n" );
document.write( "\n" );
document.write( "You can do the check!!\r<BR>\n" );
document.write( "<BR>\n" );
document.write( "\n" );
document.write( "Send comments and “thank-yous” to “D” at MathMadEzy@aol.com </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );