document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=889269>Question 889269</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Sandy is 7 years younger than Mandy. In 4 years time she will be half Mandy’s age.What is the sum of their ages now? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #538152 by </B><A HREF=/tutors/aboutme.mpl?userid=lwsshak3><B>lwsshak3(11628)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=lwsshak3><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=538152\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Sandy is 7 years younger than Mandy. In 4 years time she will be half Mandy’s age.What is the sum of their ages now?<BR>\n" );
document.write( "***<BR>\n" );
document.write( "let x=Mandy's age<BR>\n" );
document.write( "x-7=Sandy's age<BR>\n" );
document.write( "..<BR>\n" );
document.write( "In 4 yrs:<BR>\n" );
document.write( "x+4=Mandy's age<BR>\n" );
document.write( "x-7+4=x-3=Sandy's age<BR>\n" );
document.write( "x-3=(x+4/2<BR>\n" );
document.write( "2x-6=x+4<BR>\n" );
document.write( "x=10<BR>\n" );
document.write( "x-7=3<BR>\n" );
document.write( "Mandy's age=10<BR>\n" );
document.write( "Sandy's age=3<BR>\n" );
document.write( "What is the sum of their ages now? 13 </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );