document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=32808>Question 32808</A>: <I><SPAN STYLE=\"word-break: break-all;\"> If Amy gives 10 of her stamps to Robin, she will have four times as many stamps as Robin. If she gives 20 of her stamps to Robin, she will have three times as many stamps as Robin. How many stamps do they have in all? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #19231 by </B><A HREF=/tutors/aboutme.mpl?userid=Paul><B>Paul(988)</B></A><img src=\"/images/stars/stars-11.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=Paul><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=19231\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Let Amy's stamps be x<BR>\n" );
document.write( "Let Robin's stamps be y<BR>\n" );
document.write( "She loses 10 -->x-10<BR>\n" );
document.write( "Other gains 10 -->y+10<BR>\n" );
document.write( "4(y+10)=x-10<BR>\n" );
document.write( "4y+40=x-10<BR>\n" );
document.write( "x=4y+50 (subsitution)\r<BR>\n" );
document.write( "<BR>\n" );
document.write( "\n" );
document.write( "She loses 20 -->x-20<BR>\n" );
document.write( "other gains 20 -->y+20<BR>\n" );
document.write( "3(y+20)=x-20<BR>\n" );
document.write( "3y+60=x-20<BR>\n" );
document.write( "3y+60=4y+50-20<BR>\n" );
document.write( "y=30\r<BR>\n" );
document.write( "<BR>\n" );
document.write( "\n" );
document.write( "x=4(30)+50<BR>\n" );
document.write( "x=170<BR>\n" );
document.write( "Hence, Amy has 170 stamps, and Robin has 30 stamps.<BR>\n" );
document.write( "Paul. </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );