document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=857421>Question 857421</A>: <I><SPAN STYLE=\"word-break: break-all;\"> I have a problem how to set up word problems example do i multiply or divide when to add or subtract etc. the question is tractors a,b,c,d,are identical and are pulling identical planting machines.  Working together a,b, and c can plant 270 acres of soybeans in 3 hours.  At this rate, how many acres can a,b,c, and d, all working together, plant in 5 hours. Can  you please show me how to start and explain how you got the answer  <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 #516573 by </B><A HREF=/tutors/aboutme.mpl?userid=josgarithmetic><B>josgarithmetic(39620)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=josgarithmetic><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=516573\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Each of the four tractors plant at the same rate.  You are given THREE of these identical tractors plant 270 acres in 3 hours.  Again since these tractors are identical and work at the same rate each, the <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=270%2F3 ALIGN=MIDDLE  ALT=\"270%2F3\"   DISABLED_style= \"max-width:90%; height:auto;\" > acres/hour rate is three times bigger than for just a single tractor.\r<BR>\n" );
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document.write( "T is the rate of 1 tractor.<BR>\n" );
document.write( "You have <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=highlight_green%28T%2BT%2BT=270%2F3%29 ALIGN=MIDDLE  ALT=\"highlight_green%28T%2BT%2BT=270%2F3%29\"   DISABLED_style= \"max-width:90%; height:auto;\" >  in units of acres per hour.<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=3T=270%2F3 ALIGN=MIDDLE  ALT=\"3T=270%2F3\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=T=270%2F%283%2A3%29 ALIGN=MIDDLE  ALT=\"T=270%2F%283%2A3%29\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=T=%283%2A3%2A3%2A10%29%2F%283%2A3%29 ALIGN=MIDDLE  ALT=\"T=%283%2A3%2A3%2A10%29%2F%283%2A3%29\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=highlight_green%28T=30%29 ALIGN=MIDDLE  ALT=\"highlight_green%28T=30%29\"   DISABLED_style= \"max-width:90%; height:auto;\" > acres per hour, for ONE tractor.<BR>\n" );
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document.write( "Now, your question is like 4T for all four of these identical tractors; and you want to know how many acres are planted in 5 hours.<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=highlight%28%284T%29%2A5=%284%2A30%29%2A5%2A%28acres%2Fhour%29%2Ahour=120%29 ALIGN=MIDDLE  ALT=\"highlight%28%284T%29%2A5=%284%2A30%29%2A5%2A%28acres%2Fhour%29%2Ahour=120%29\"   DISABLED_style= \"max-width:90%; height:auto;\" > acres </SPAN>\n" );
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