document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=6835>Question 6835</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Hello,\r<BR>\n" );
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document.write( "I am taking some practice test for the College placement test and I am having difficulty solving a problem. This is Alegebra 1. I just need to know how to solve the problem. Thank you in advance. I only put the answers so you can see my options.\r<BR>\n" );
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document.write( "If Sally can paint a house in 4 hours, and John can paint the same house in 6 hour, how long will it take for both of them to paint the house together?  <BR>\n" );
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document.write( "  A. 2 hours and 24 minutes <BR>\n" );
document.write( "  B. 3 hours and 12 minutes <BR>\n" );
document.write( "  C. 3 hours and 44 minutes <BR>\n" );
document.write( "  D. 4 hours and 10 minutes <BR>\n" );
document.write( "  E. 4 hours and 33 minutes <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 #3774 by </B><A HREF=/tutors/aboutme.mpl?userid=longjonsilver><B>longjonsilver(2297)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=longjonsilver><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=longjonsilver><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=3774\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> sally paints a house in 4 hours --> in 1 hour she paints 1/4 of house<BR>\n" );
document.write( "john paints a house in 6 hourse --> in 1 hour, he paints 1/6 of house.\r<BR>\n" );
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document.write( "So, in 1 hour together they will paint 1/4+1/6 of the house ie\r<BR>\n" );
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document.write( "they paint 5/12 of house in 1 hour. So divide by 5/12, and we get:<BR>\n" );
document.write( "(5/12)/(5/12) in 1/(5/12) hours\r<BR>\n" );
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document.write( "--> they paint 1 whole house in 12/5 hours.\r<BR>\n" );
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document.write( "this is 2.4 hours, ie 2 hours 24 minutes.\r<BR>\n" );
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document.write( "jon.<BR>\n" );
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