document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1006273>Question 1006273</A>: <I><SPAN STYLE=\"word-break: break-all;\"> It takes 3 hours to 4 adults to build a sand castle. It takes 4 hours to 6 children to build the same sand castle. How many hours will it take to 6 adults and 3 children to build a castle?\r<BR>\n" );
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document.write( "(I don't know where to start! - thank you) </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #622429 by </B><A HREF=/tutors/aboutme.mpl?userid=josmiceli><B>josmiceli(19441)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=josmiceli><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=josmiceli><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=622429\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> 1 adult will take 4 times as long to<BR>\n" );
document.write( "build 1 sand castle, so<BR>\n" );
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document.write( "1 adult takes 12 hours to build 1 sand castle<BR>\n" );
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document.write( "1 child will take 6 times as long <BR>\n" );
document.write( "to build 1 sand castle, so<BR>\n" );
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document.write( "1 child takes 24 hours to build 1 sand castle<BR>\n" );
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document.write( "The rate of building for adults is:<BR>\n" );
document.write( "[ 1 sand castle ] / [ 12 hr ]<BR>\n" );
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document.write( "The rate of building for children is:<BR>\n" );
document.write( "[ 1 sand castle ] / [ 24 hr ]<BR>\n" );
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document.write( "Multiply these rates times people doing the work<BR>\n" );
document.write( "and add the rates to get rate working together<BR>\n" );
document.write( "Let <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+1%2Ft+ ALIGN=MIDDLE  ALT=\"+1%2Ft+\"   DISABLED_style= \"max-width:90%; height:auto;\" > = the rate of:<BR>\n" );
document.write( "[ 1 sand castle ] / [ t hrs ]<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+6%2A%28+1%2F12+%29+%2B+3%2A%28+1%2F24+%29+=+1%2Ft+ ALIGN=MIDDLE  ALT=\"+6%2A%28+1%2F12+%29+%2B+3%2A%28+1%2F24+%29+=+1%2Ft+\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "Multiply both sides by <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+24t+ ALIGN=MIDDLE  ALT=\"+24t+\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+12t+%2B+3t+=+24+ ALIGN=MIDDLE  ALT=\"+12t+%2B+3t+=+24+\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+15t+=+24+ ALIGN=MIDDLE  ALT=\"+15t+=+24+\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+t+=+1.6+ ALIGN=MIDDLE  ALT=\"+t+=+1.6+\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+.6%2A60+=+36+ ALIGN=MIDDLE  ALT=\"+.6%2A60+=+36+\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "6 adults and 3 children can build 1 sand castle<BR>\n" );
document.write( "in 1 hr 36 min<BR>\n" );
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document.write( "Hope I got it -a 2nd opinion wouldn't hurt either </SPAN>\n" );
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