document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=204654>Question 204654</A>: <I><SPAN STYLE=\"word-break: break-all;\"> ANN'SAGE IS 7/10TH OF BILL'S AGE. IN 4 YEARS ANN'S AGE WILL BE 8/11THS OF BILL'S AGE. HOW OLD IS BILL? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #154440 by </B><A HREF=/tutors/aboutme.mpl?userid=lazi><B>lazi(15)</B></A><img src=\"/images/stars/stars-06.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=lazi><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=154440\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> a=Ann's age<BR>\n" );
document.write( "b= Bill's age\r<BR>\n" );
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document.write( "a= (7/10)b = (7b)/10\r<BR>\n" );
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document.write( "in four years means\r<BR>\n" );
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document.write( "a + 4 = (8/11)(b+4)\r<BR>\n" );
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document.write( "now we know what a is in terms of b, we just plug it into the formula above\r<BR>\n" );
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document.write( "(7b)/10 + 4 = (8b)/11 + 32/11\r<BR>\n" );
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document.write( "solve for b\r<BR>\n" );
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document.write( "(7b)/10 + 4 = (8b)/11 + 32/11<BR>\n" );
document.write( "-(7b)/10 on both side<BR>\n" );
document.write( "-32/11 on both side<BR>\n" );
document.write( "_____________________________<BR>\n" );
document.write( "12/11 = (3/110)b<BR>\n" );
document.write( "times 110/3 on both side<BR>\n" );
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document.write( "40 = b\r<BR>\n" );
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document.write( "Bill's age is 40.<BR>\n" );
document.write( " </SPAN>\n" );
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