document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=374996>Question 374996</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Machine A can complete a task in 24 seconds. Together with machine B, the task can be completed in 18 s. How long would it take machine B working alone to complete the task?\r<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 #266683 by </B><A HREF=/tutors/aboutme.mpl?userid=nerdybill><B>nerdybill(7384)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=nerdybill><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=nerdybill><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=266683\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Machine A can complete a task in 24 seconds. Together with machine B, the task can be completed in 18 s. How long would it take machine B working alone to complete the task?<BR>\n" );
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document.write( "Let x = seconds it takes machine B (working alone)<BR>\n" );
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document.write( "18(1/24 + 1/x) = 1<BR>\n" );
document.write( "multiplying both sides by 24x:<BR>\n" );
document.write( "18(x + 24) = 24x<BR>\n" );
document.write( "18x + 432 = 24x<BR>\n" );
document.write( "432 = 6x<BR>\n" );
document.write( "72 secs = x\r<BR>\n" );
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