document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=607122>Question 607122</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Andrew is 4 years older than Amber. In 4 years the sum of their ages will be 46. How old is Andrew now? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #382406 by </B><A HREF=/tutors/aboutme.mpl?userid=lawdej><B>lawdej(58)</B></A><img src=\"/images/stars/stars-08.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=lawdej><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=lawdej><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=382406\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> let Andrew's age be a and Amber's age be b <BR>\n" );
document.write( "a=4+b this means b=a-4<BR>\n" );
document.write( "a+4+b+4=46<BR>\n" );
document.write( "a+4+a-4+4=46<BR>\n" );
document.write( "2a=46-4<BR>\n" );
document.write( "2a=42<BR>\n" );
document.write( "a=42/2<BR>\n" );
document.write( "a=21<BR>\n" );
document.write( "so andrew is 21 years old </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );