document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=82070>Question 82070</A>: <I><SPAN STYLE=\"word-break: break-all;\"> If Sally can paint a house in 4 hours and John can paint the same house in 6 hours, how long will it take to paint the same house together?\r<BR>\n" );
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document.write( "A. 2 hr. 24 min<BR>\n" );
document.write( "B.3 hr. 12 min.<BR>\n" );
document.write( "C. 3 hr. 44 min.<BR>\n" );
document.write( "D. 4 hr. 10 min.<BR>\n" );
document.write( "E. 4 hr. 33 min.\r<BR>\n" );
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document.write( "I tried to solve by dividing both of their times by 2 but that gave me 5 and it wasn't one of the answer choices. How would you solve this? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #58778 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=58778\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> If Sally can paint a house in 4 hours and John can paint the same house in 6 hours, how long will it take to paint the same house together?<BR>\n" );
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document.write( "Sally DATA:<BR>\n" );
document.write( "Time = 4 hrs/job ; Rate = 1/4 job/hr<BR>\n" );
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document.write( "John DATA:<BR>\n" );
document.write( "Time = 6 hrs/job ; Rate = 1/6 job/hr<BR>\n" );
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document.write( "Together DATA:<BR>\n" );
document.write( "Time = x hrs/job ; Rate = 1/x job/hr<BR>\n" );
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document.write( "EQUATION:<BR>\n" );
document.write( "rate + rate = together rate<BR>\n" );
document.write( "1/4+ 1/6 = 1/x<BR>\n" );
document.write( "Multiply thru by 12x to get:<BR>\n" );
document.write( "3x + 2x = 12<BR>\n" );
document.write( "5x = 12<BR>\n" );
document.write( " x = 2 hrs. (2/5)hr<BR>\n" );
document.write( " x = 2 hrs 24 minutes<BR>\n" );
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document.write( "Cheers,<BR>\n" );
document.write( "Stan H. </SPAN>\n" );
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