document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=927354>Question 927354</A>: <I><SPAN STYLE=\"word-break: break-all;\"> 1- Arielle needs 9 liters of a 65% solution of sulfuric acid for a research project molecular biology. He has two supplies of sulfuric acid solution: one is an unlimited supply of the 81% solution and the other an unlimited supply of the 45% solution. How many liters of each solution should Arielle use? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #562915 by </B><A HREF=/tutors/aboutme.mpl?userid=lwsshak3><B>lwsshak3(11628)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=lwsshak3><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=562915\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> 1- Arielle needs 9 liters of a 65% solution of sulfuric acid for a research project molecular biology. He has two supplies of sulfuric acid solution: one is an unlimited supply of the 81% solution and the other an unlimited supply of the 45% solution. How many liters of each solution should Arielle use?<BR>\n" );
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document.write( "let x=amt of 81% solution to use<BR>\n" );
document.write( "9-x=amt of 45% solution to use<BR>\n" );
document.write( "..<BR>\n" );
document.write( "81%x+45%(9-x)=65%*9<BR>\n" );
document.write( ".81x+4.05-.45x=5.85<BR>\n" );
document.write( ".36x=1.8<BR>\n" );
document.write( "x=5<BR>\n" );
document.write( "9-x=4<BR>\n" );
document.write( "amt of 81% solution to use=5 liters<BR>\n" );
document.write( "amt of 45% solution to use=4 liters </SPAN>\n" );
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