document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=52910>Question 52910</A>This question is from textbook <A HREF=http://www.amazon.com/exec/obidos/ASIN/0395771161/algebrahomeworkh>algebra structure and method</A><BR>\n" );
document.write( ": <I><SPAN STYLE=\"word-break: break-all;\"> The gym is 21 years newer than the auditorium. the gym is also one fourth as old as the auditorium. How old is each building?\r<BR>\n" );
document.write( "\n" );
document.write( "(26,27,28) possible ages for auditorium\r<BR>\n" );
document.write( "\n" );
document.write( "Write an equation as well as solve. </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #35354 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=35354\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Human-and-algebraic-language/52910 (2006-09-19 18:07:18): The gym is 21 years newer than the auditorium. the gym is also one fourth as old as the auditorium. How old is each building?<BR>\n" );
document.write( ": <BR>\n" );
document.write( "(26,27,28) possible ages for auditorium<BR>\n" );
document.write( ": <BR>\n" );
document.write( "Write an equation as well as solve.<BR>\n" );
document.write( ":<BR>\n" );
document.write( ":<BR>\n" );
document.write( "a = age of the auditorium<BR>\n" );
document.write( ":<BR>\n" );
document.write( "\"The gym is 21 years newer than the auditorium.\"<BR>\n" );
document.write( "[a-21] = age of the gym<BR>\n" );
document.write( ":<BR>\n" );
document.write( "\"the gym is one fourth as old as the auditorium.\"<BR>\n" );
document.write( "[a-21] = .25a<BR>\n" );
document.write( "a -.25a = + 21<BR>\n" );
document.write( "    .75a = 21<BR>\n" );
document.write( "     a = 21/.75<BR>\n" );
document.write( "     a = 28 years old\r<BR>\n" );
document.write( "\n" );
document.write( ":<BR>\n" );
document.write( ":<BR>\n" );
document.write( "Check: Gym = 28 - 21 = 7 years, which is 1/4 of 28\r<BR>\n" );
document.write( "\n" );
document.write( " </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );