document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=476875>Question 476875</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Hi, I'm stuck on this one word problem, I want to know the steps in order to solve this problem so I am able to do it in the future. I'm currently working on Rational Expressions. Thank you!!!\r<BR>\n" );
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document.write( "In 3 minutes, a conveyor belt moves 300 pounds of recyclable aluminum from the delivery truck to a storage area. A smaller belt moves the same quantity of cans the same distance in 7 minutes. If both belts are used, find how long it takes to move the cans to the storage area.  </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #326949 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=326949\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> You need to add their rates of working<BR>\n" );
document.write( "to get their rate working together<BR>\n" );
document.write( "For the bigger belt:<BR>\n" );
document.write( "Rate1 = (300 pounds of aluminum) / (3 minutes)<BR>\n" );
document.write( "For the smaller belt:<BR>\n" );
document.write( "Rate2 = (300 pounds of aluminum) / (7 minutes)<BR>\n" );
document.write( "I will call moving 300 pounds of aluminum 1 job<BR>\n" );
document.write( "So, Rate1 = <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+1%2F3+ ALIGN=MIDDLE  ALT=\"+1%2F3+\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "and Rate2 = <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+1%2F7+ ALIGN=MIDDLE  ALT=\"+1%2F7+\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "Let <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=t ALIGN=MIDDLE  ALT=\"t\"   DISABLED_style= \"max-width:90%; height:auto;\" > = time in minutes for both belts to do this job<BR>\n" );
document.write( "Rate 1 + rate2 = Rate3<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+1%2F3+%2B+1%2F7+=+1%2Ft+ ALIGN=MIDDLE  ALT=\"+1%2F3+%2B+1%2F7+=+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=21t ALIGN=MIDDLE  ALT=\"21t\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+7t+%2B+3t+=+21+ ALIGN=MIDDLE  ALT=\"+7t+%2B+3t+=+21+\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+10t+=+21+ ALIGN=MIDDLE  ALT=\"+10t+=+21+\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+t+=+2.1+ ALIGN=MIDDLE  ALT=\"+t+=+2.1+\"   DISABLED_style= \"max-width:90%; height:auto;\" > min<BR>\n" );
document.write( "Note that <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+.1+ ALIGN=MIDDLE  ALT=\"+.1+\"   DISABLED_style= \"max-width:90%; height:auto;\" > min = 6 sec<BR>\n" );
document.write( "Working togethers, the belts can move the cans<BR>\n" );
document.write( "in 2 min and 6 sec\r<BR>\n" );
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document.write( " </SPAN>\n" );
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