document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=265491>Question 265491</A>: <I><SPAN STYLE=\"word-break: break-all;\"> suppose that one worker can shovel snow from a storefront sidewalk in 50 minutes and another worker can shovel it in 30 minutes.  How long will it take if they worked together? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #195207 by </B><A HREF=/tutors/aboutme.mpl?userid=Alan3354><B>Alan3354(69443)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=Alan3354><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=Alan3354><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=195207\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> suppose that one worker can shovel snow from a storefront sidewalk in 50 minutes and another worker can shovel it in 30 minutes.  How long will it take if they worked together?<BR>\n" );
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document.write( "#1 does 1/50 of the job per minute.<BR>\n" );
document.write( "#2 does 1/30<BR>\n" );
document.write( "Together, 1/50 + 1/30 = 8/150 per minute<BR>\n" );
document.write( "--> 150/8 minutes to do the job<BR>\n" );
document.write( "= 75/4 minutes<BR>\n" );
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document.write( "Use the shortcut, product/sum<BR>\n" );
document.write( "50*30/(50+30) = 1500/80<BR>\n" );
document.write( "= 75/4 minutes<BR>\n" );
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