document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=174979>Question 174979</A>: <I><SPAN STYLE=\"word-break: break-all;\"> V=0.104h-0.018a-2.69<BR>\n" );
document.write( "(a)age=14 <BR>\n" );
document.write( "(h)hieght=67\"\r<BR>\n" );
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document.write( "Solve the formula for age(a). Estimate how old you will be when your air volume is 90% of its current volume.\r<BR>\n" );
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document.write( "(use current hieght) </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #130091 by </B><A HREF=/tutors/aboutme.mpl?userid=mangopeeler07><B>mangopeeler07(462)</B></A><img src=\"/images/stars/stars-10.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=mangopeeler07><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=130091\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> (a)age=14 <BR>\n" );
document.write( "(h)hieght=67\"\r<BR>\n" );
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document.write( "Solve the formula for age(a). Estimate how old you will be when your air volume is 90% of its current volume.\r<BR>\n" );
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document.write( "(use current height)\r<BR>\n" );
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document.write( "solve the formula for a:<BR>\n" );
document.write( "V=0.104h-0.018a-2.69<BR>\n" );
document.write( "V+2.69=0.104h-0.018a<BR>\n" );
document.write( "V+2.69-0.104h=-0.018a<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=%28V%2B2.69-0.104h%29%2F-0.018=a ALIGN=MIDDLE  ALT=\"%28V%2B2.69-0.104h%29%2F-0.018=a\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
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document.write( "Solve for V so you can plug 90% of it in later...\r<BR>\n" );
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document.write( "V at a=14 and h=67:<BR>\n" );
document.write( "V=0.104h-0.018a-2.69<BR>\n" );
document.write( "V=0.104(67)-0.018(14)-2.69<BR>\n" );
document.write( "V=4.026<BR>\n" );
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document.write( "a for h=67 and .9V when V=4.026--------->90% of V<BR>\n" );
document.write( "V=0.104h-0.018a-2.69<BR>\n" );
document.write( ".9V=(0.104h-0.018a-2.69)<BR>\n" );
document.write( ".9(4.026)=(0.104(67)-0.018a-2.69)<BR>\n" );
document.write( "3.6234=6.968-.018a-2.69)<BR>\n" );
document.write( "3.6234=4.278-.018a<BR>\n" );
document.write( "-.6546=-.018a<BR>\n" );
document.write( "36.4=a </SPAN>\n" );
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