document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=222773>Question 222773</A>: <I><SPAN STYLE=\"word-break: break-all;\"> I need to write an equation for this algebra problem.\r<BR>\n" );
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document.write( "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" );
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document.write( "Choices for the Auditorium: 26, 27, 28 </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #166794 by </B><A HREF=/tutors/aboutme.mpl?userid=nerdybill><B>nerdybill(7384)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=nerdybill><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=nerdybill><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=166794\">put this solution on YOUR website!</A><BR><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?<BR>\n" );
document.write( "Choices for the Auditorium: 26, 27, 28<BR>\n" );
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document.write( "Let G = age of gym<BR>\n" );
document.write( "and A = age of auditorium<BR>\n" );
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document.write( "The gym is 21 years newer than the Auditorium.<BR>\n" );
document.write( "G = A-21 (equation 1)<BR>\n" );
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document.write( "The gym is also one fourth as old as the Auditorium.<BR>\n" );
document.write( "G = (1/4)A (equation 2)<BR>\n" );
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document.write( "Substitute the value of 'G' from equation 1 and plug it into equation 2 and solve for A:<BR>\n" );
document.write( "A-21 = (1/4)A <BR>\n" );
document.write( "4A - 84 = A<BR>\n" );
document.write( "3A = 84<BR>\n" );
document.write( "A = 28 years  (age of auditorium) </SPAN>\n" );
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