document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=159806>Question 159806</A>: <I><SPAN STYLE=\"word-break: break-all;\"> One grade of oil has 0.50% of an additive, and a higher grade has 0.75% of the additive. How many liters of each must be used to have 1000 L of a mixture with 0.65% of the additive. </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #117866 by </B><A HREF=/tutors/aboutme.mpl?userid=KnightOwlTutor><B>KnightOwlTutor(293)</B></A><img src=\"/images/stars/stars-09.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=KnightOwlTutor><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=KnightOwlTutor><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=117866\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Convert % in decimal format\r<BR>\n" );
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document.write( ".5%=.5/100=0.005<BR>\n" );
document.write( ".75%=.75/100=.0075<BR>\n" );
document.write( ".65%=.65/100=.0065\r<BR>\n" );
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document.write( "X= the higher grade of oil that has .75% of additive\r<BR>\n" );
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document.write( "1000-X= volume of grade of oil that has .5% additive\r<BR>\n" );
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document.write( "The total volume on both sides of the equation =1000L\r<BR>\n" );
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document.write( ".0075X+.005(1000-X)=.0065(1000)\r<BR>\n" );
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document.write( "Use the distributive property\r<BR>\n" );
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document.write( ".0075X+5-.005X=6.5\r<BR>\n" );
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document.write( ".0025X+5=6.5\r<BR>\n" );
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document.write( "subtract 5 from both sides\r<BR>\n" );
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document.write( ".0025X=1.5\r<BR>\n" );
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document.write( "divide both sides by .0025\r<BR>\n" );
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document.write( "X=600L of .75% additive oil\r<BR>\n" );
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document.write( "1000-600=400L of .50% additive\r<BR>\n" );
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document.write( "Plug in to check answer\r<BR>\n" );
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document.write( "600(.0075) + 400(.005)=.0065(1000)\r<BR>\n" );
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document.write( "4.5 + 2=6.5\r<BR>\n" );
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document.write( " </SPAN>\n" );
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