document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=344495>Question 344495</A>: <I><SPAN STYLE=\"word-break: break-all;\"> I do not understand how to turn these in to linear equations? I can't figure out what to put where for an equation that will give me the answer I need.\r<BR>\n" );
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document.write( "How much 90 percent vinegar do you have to add to a gallon of 5 percent vinegar to get 20 percent vinegar?<BR>\n" );
document.write( "________ gallons. \r<BR>\n" );
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document.write( "and\r<BR>\n" );
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document.write( "You can paint a certain room in 9 hours. Your brother can do it in 8 hours. How long does it take the two of you working together?<BR>\n" );
document.write( "_____ hours.  </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #246455 by </B><A HREF=/tutors/aboutme.mpl?userid=vleith><B>vleith(2983)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=vleith><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=246455\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> How much 90 percent vinegar do you have to add to a gallon of 5 percent vinegar to get 20 percent vinegar?<BR>\n" );
document.write( "You have 1 gallon of 5%<BR>\n" );
document.write( "You need to add x gallons of 90%<BR>\n" );
document.write( "The result will be (x+1) gallons of 20%\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=1%2A0.05+%2B+x+%2A0.9+=+%28x%2B1%29%2A0.2 ALIGN=MIDDLE  ALT=\"1%2A0.05+%2B+x+%2A0.9+=+%28x%2B1%29%2A0.2\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=0.05+%2B+0.9x+=+0.2x+%2B+0.2 ALIGN=MIDDLE  ALT=\"0.05+%2B+0.9x+=+0.2x+%2B+0.2\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=0.7x+=+0.15 ALIGN=MIDDLE  ALT=\"0.7x+=+0.15\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=x+=+0.15%2F0.7 ALIGN=MIDDLE  ALT=\"x+=+0.15%2F0.7\"   DISABLED_style= \"max-width:90%; height:auto;\" > gallons of 90%<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=x+=+0.214 ALIGN=MIDDLE  ALT=\"x+=+0.214\"   DISABLED_style= \"max-width:90%; height:auto;\" > gallons<BR>\n" );
document.write( "Make sense?\r<BR>\n" );
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document.write( "You can paint a certain room in 9 hours. Your brother can do it in 8 hours. How long does it take the two of you working together?<BR>\n" );
document.write( "He can do you cna do 1/9 of the job in an hour. He can d0 1/8<BR>\n" );
document.write( "Together you can do <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=1%2F9+%2B+1%2F8+=+8%2F72+%2B+9%2F72+=+17%2F72 ALIGN=MIDDLE  ALT=\"1%2F9+%2B+1%2F8+=+8%2F72+%2B+9%2F72+=+17%2F72\"   DISABLED_style= \"max-width:90%; height:auto;\" > of the job in an hour<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=x+%2A+17%2F72+=+1 ALIGN=MIDDLE  ALT=\"x+%2A+17%2F72+=+1\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=x+=+72%2F17+=+4.235 ALIGN=MIDDLE  ALT=\"x+=+72%2F17+=+4.235\"   DISABLED_style= \"max-width:90%; height:auto;\" > hours </SPAN>\n" );
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