document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=74314>Question 74314</A>: <I><SPAN STYLE=\"word-break: break-all;\"> If Susie can paint a house in 4 hrs and David can paint a house in 6 hrs. How long will it take them to paint it together?  One answer that was given was 2hr and 24 min, but I'm not sure how they got it. </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #53309 by </B><A HREF=/tutors/aboutme.mpl?userid=funmath><B>funmath(2933)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=funmath><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=53309\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> If Susie can paint a house in 4 hrs and David can paint a house in 6 hrs. How long will it take them to paint it together?  <BR>\n" );
document.write( "This is the way I was taught this, but I know there is another way to do this:\r<BR>\n" );
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document.write( "Susie can paint 1 house in 4 hrs, her work rate is:1/4<BR>\n" );
document.write( "David caan paint 1 house in 6 hrs, his work rate is: 1/6<BR>\n" );
document.write( "They both can paint 1 house in x hrs, their combined work rate is:1/x<BR>\n" );
document.write( ":<BR>\n" );
document.write( "Problem to solve:<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=1%2F4%2B1%2F6=1%2Fx ALIGN=MIDDLE  ALT=\"1%2F4%2B1%2F6=1%2Fx\"   DISABLED_style= \"max-width:90%; height:auto;\" >  <BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=%283%2F3%29%281%2F4%29%2B%282%2F2%29%281%2F6%29=1%2Fx ALIGN=MIDDLE  ALT=\"%283%2F3%29%281%2F4%29%2B%282%2F2%29%281%2F6%29=1%2Fx\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=3%2F12%2B2%2F12=1%2Fx ALIGN=MIDDLE  ALT=\"3%2F12%2B2%2F12=1%2Fx\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=5%2F12=1%2Fx ALIGN=MIDDLE  ALT=\"5%2F12=1%2Fx\"   DISABLED_style= \"max-width:90%; height:auto;\" >  Cross multiply, or flip both sides over and you have:<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=5x=12 ALIGN=MIDDLE  ALT=\"5x=12\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=5x%2F5=12%2F5 ALIGN=MIDDLE  ALT=\"5x%2F5=12%2F5\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=x=12%2F5 ALIGN=MIDDLE  ALT=\"x=12%2F5\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "x=12/5 hrs.<BR>\n" );
document.write( "x=2 and 2/5 hrs  there are 60 minutes in an hour<BR>\n" );
document.write( "x=2 hrs and (2/5)(60)min<BR>\n" );
document.write( "x=2 hrs and 24 mins.<BR>\n" );
document.write( "Happy Calculating!!!! </SPAN>\n" );
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