document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1152850>Question 1152850</A>: <I><SPAN STYLE=\"word-break: break-all;\"> 1.5 hours and the material costs<BR>\n" );
document.write( "$8. Method II takes <BR>\n" );
document.write( "2.0 hours, and the material costs<BR>\n" );
document.write( "$5 Next week, they plan to spend<BR>\n" );
document.write( "158 hours in labor and <BR>\n" );
document.write( "$480<BR>\n" );
document.write( " in material for refinishing tables. How many tables should they plan to refinish with each method? (Round to two decimal places if necessary.) </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #774953 by </B><A HREF=/tutors/aboutme.mpl?userid=MathLover1><B>MathLover1(20850)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=MathLover1><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=MathLover1><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=774953\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> <BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=x ALIGN=MIDDLE  ALT=\"x\"   DISABLED_style= \"max-width:90%; height:auto;\" > tables with Method I.<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=y ALIGN=MIDDLE  ALT=\"y\"   DISABLED_style= \"max-width:90%; height:auto;\" > tables with Method II.\r<BR>\n" );
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document.write( "account for hours: \r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=1.5x%2B2y=158 ALIGN=MIDDLE  ALT=\"1.5x%2B2y=158\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "account for cost: \r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=8x%2B5y=480 ALIGN=MIDDLE  ALT=\"8x%2B5y=480\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "solve the system:<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=1.5x%2B2y=158 ALIGN=MIDDLE  ALT=\"1.5x%2B2y=158\"   DISABLED_style= \"max-width:90%; height:auto;\" >.......1<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=8x%2B5y=480 ALIGN=MIDDLE  ALT=\"8x%2B5y=480\"   DISABLED_style= \"max-width:90%; height:auto;\" >..........2<BR>\n" );
document.write( "--------------------------------------<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=1.5x%2B2y=158 ALIGN=MIDDLE  ALT=\"1.5x%2B2y=158\"   DISABLED_style= \"max-width:90%; height:auto;\" >.......1...solve for <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=y ALIGN=MIDDLE  ALT=\"y\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
document.write( "\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=y=158%2F2-1.5x%2F2 ALIGN=MIDDLE  ALT=\"y=158%2F2-1.5x%2F2\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
document.write( "\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=y=79-0.75x ALIGN=MIDDLE  ALT=\"y=79-0.75x\"   DISABLED_style= \"max-width:90%; height:auto;\" >.....1a   ..substitute in eq.2\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=8x%2B5%2879-0.75x%29=480 ALIGN=MIDDLE  ALT=\"8x%2B5%2879-0.75x%29=480\"   DISABLED_style= \"max-width:90%; height:auto;\" >..........2\r<BR>\n" );
document.write( "\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=8x%2B395-3.75x=480 ALIGN=MIDDLE  ALT=\"8x%2B395-3.75x=480\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
document.write( "\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=4.25x=480-395 ALIGN=MIDDLE  ALT=\"4.25x=480-395\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
document.write( "\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=4.25x=85 ALIGN=MIDDLE  ALT=\"4.25x=85\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
document.write( "\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=x=85%2F4.25 ALIGN=MIDDLE  ALT=\"x=85%2F4.25\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
document.write( "\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=x=20 ALIGN=MIDDLE  ALT=\"x=20\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=y=79-0.75x ALIGN=MIDDLE  ALT=\"y=79-0.75x\"   DISABLED_style= \"max-width:90%; height:auto;\" >.....1a \r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=y=79-0.75%2A20 ALIGN=MIDDLE  ALT=\"y=79-0.75%2A20\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
document.write( "\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=y=79-15 ALIGN=MIDDLE  ALT=\"y=79-15\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=y=64 ALIGN=MIDDLE  ALT=\"y=64\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "so, they should  plan<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=20 ALIGN=MIDDLE  ALT=\"20\"   DISABLED_style= \"max-width:90%; height:auto;\" >tables with Method I.<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=64 ALIGN=MIDDLE  ALT=\"64\"   DISABLED_style= \"max-width:90%; height:auto;\" > tables with Method II\r<BR>\n" );
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document.write( "check:\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=20 ALIGN=MIDDLE  ALT=\"20\"   DISABLED_style= \"max-width:90%; height:auto;\" >tables with Method I.:\r<BR>\n" );
document.write( "\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=20%2A1.5=30 ALIGN=MIDDLE  ALT=\"20%2A1.5=30\"   DISABLED_style= \"max-width:90%; height:auto;\" > hours and the material costs $<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=20%2A8=160 ALIGN=MIDDLE  ALT=\"20%2A8=160\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
document.write( "<BR>\n" );
document.write( "\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=64 ALIGN=MIDDLE  ALT=\"64\"   DISABLED_style= \"max-width:90%; height:auto;\" > tables with Method II:<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=64%2A2.0=128 ALIGN=MIDDLE  ALT=\"64%2A2.0=128\"   DISABLED_style= \"max-width:90%; height:auto;\" > hours, and the material costs $<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=64%2A5+=320 ALIGN=MIDDLE  ALT=\"64%2A5+=320\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
document.write( "<BR>\n" );
document.write( "\n" );
document.write( "=><IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=30%2B128=158 ALIGN=MIDDLE  ALT=\"30%2B128=158\"   DISABLED_style= \"max-width:90%; height:auto;\" > hours and $<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=160%2B320=480 ALIGN=MIDDLE  ALT=\"160%2B320=480\"   DISABLED_style= \"max-width:90%; height:auto;\" > cost\r<BR>\n" );
document.write( "\n" );
document.write( " </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );