document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=89988>Question 89988</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Ann's age is 7/10 of Bill's age. In 4 years Ann will be 8/11 of Bill's age.  How old is Bill now? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #65317 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=65317\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> A = Ann's age now; B = Bill's age now<BR>\n" );
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document.write( "Just write what it says:<BR>\n" );
document.write( "\"Ann's age is 7/10 of Bill's age.\"<BR>\n" );
document.write( " A = .7B <BR>\n" );
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document.write( "\"In 4 years Ann will be 8/11 of Bill's age.\"<BR>\n" );
document.write( "(A+4) = (8/11)(B+4)<BR>\n" );
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document.write( "Substitute .7B for A and you have:<BR>\n" );
document.write( ".7B+4 = (8/11)(B+4)<BR>\n" );
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document.write( "Multiply equation by 11:<BR>\n" );
document.write( "11(.7B+4) = (11)(8/11)(B+4)<BR>\n" );
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document.write( " and you have:<BR>\n" );
document.write( "7.7B + 44 = 8(B+4)<BR>\n" );
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document.write( "7.7B + 44 = 8B + 32 <BR>\n" );
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document.write( "44 - 32 = 8B - 7.7B<BR>\n" );
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document.write( ".3B = 12<BR>\n" );
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document.write( "How old is Bill now?<BR>\n" );
document.write( "B = 12/.3<BR>\n" );
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document.write( "B = 40 yrs old<BR>\n" );
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document.write( "Check: that makes A = .7*40 = 28 yrs old<BR>\n" );
document.write( "Using the statement, \"In 4 years Ann will be 8/11 of Bill's age.\"<BR>\n" );
document.write( "28 + 4 = 8/11(40 + 4)<BR>\n" );
document.write( "32 = 8/11(44); proves our solution<BR>\n" );
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document.write( "Did this help?<BR>\n" );
document.write( " </SPAN>\n" );
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