document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=133383>Question 133383</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Please help me with this problem. How do you solve ratio's and proportions's problems when there are 3 variables? <BR>\n" );
document.write( "If it takes 16 faucets 10 hours to fill 8 tubs, how long will it take 12 faucets to fill 9 tubes?<BR>\n" );
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document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #97576 by </B><A HREF=/tutors/aboutme.mpl?userid=stanbon><B>stanbon(75887)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=stanbon><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=97576\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> solve ratio's and proportions's problems when there are 3 variables? <BR>\n" );
document.write( "If it takes 16 faucets 10 hours to fill 8 tubs, how long will it take 12 faucets to fill 9 tubes?<BR>\n" );
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document.write( "# of faucets and # of tubs are directly related<BR>\n" );
document.write( "# of faucets and # of hours are indirectly related.<BR>\n" );
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document.write( "General Equation <BR>\n" );
document.write( "f = k*t/h where f is # of faucets, t is # of tubs, h is # of hours<BR>\n" );
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document.write( "16 = k*8/10<BR>\n" );
document.write( "solve for \"k\"<BR>\n" );
document.write( "k = 20<BR>\n" );
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document.write( "Equation for your problem:<BR>\n" );
document.write( "f = 20*t/h<BR>\n" );
document.write( "12 = 20*9/h<BR>\n" );
document.write( "solve for \"h\"<BR>\n" );
document.write( "h = (20*9)/12 = 15 hours<BR>\n" );
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document.write( "It will take 15 hours to fill 9 tubs with 12 faucets.<BR>\n" );
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document.write( "Cheers,<BR>\n" );
document.write( "Stan H. </SPAN>\n" );
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