document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1132151>Question 1132151</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Bon wants to take an early retirement in 10 years when he will be twice as old as his daughter Sonia. Sonia is 25 years younger than her father. how old is Bon now? How old will he be when he retires? (use only one variable)(thanks in advance) </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #749082 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=749082\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> b = Bon's present age<BR>\n" );
document.write( "s = Sonia's<BR>\n" );
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document.write( "Write an equation for each statement\r<BR>\n" );
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document.write( "Bon wants to take an early retirement in 10 years when he will be twice as old as his daughter Sonia.<BR>\n" );
document.write( "b + 10 = 2(s+10)<BR>\n" );
document.write( "b + 10 = 2s + 20<BR>\n" );
document.write( "b = 2s + 20 - 10<BR>\n" );
document.write( "b = 2s + 10<BR>\n" );
document.write( ":<BR>\n" );
document.write( "Sonia is 25 years younger than her father.<BR>\n" );
document.write( "s = b - 25<BR>\n" );
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document.write( "In the 1st simplified equation, replace s with (b-25)<BR>\n" );
document.write( "b = 2(b-25) + 10<BR>\n" );
document.write( "b = 2b - 50 + 10<BR>\n" );
document.write( "b = 2b - 40<BR>\n" );
document.write( "40 = 2b - b<BR>\n" );
document.write( "b = 40<BR>\n" );
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document.write( " how old is Bon now?<BR>\n" );
document.write( "40 yrs old<BR>\n" );
document.write( " How old will he be when he retires? <BR>\n" );
document.write( "40 + 10 = 50 yrs old<BR>\n" );
document.write( ":<BR>\n" );
document.write( ";<BR>\n" );
document.write( "Check this<BR>\n" );
document.write( "Sonia's age: s = 40-25 = 15 yrs: Check in the equation, b = 2s + 10<BR>\n" );
document.write( "40 = 2(15) + 10<BR>\n" );
document.write( "and<BR>\n" );
document.write( "In 10 yrs he will 50, she will 25 </SPAN>\n" );
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