document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=155666>Question 155666</A>: <I><SPAN STYLE=\"word-break: break-all;\"> How many liters of a 10% alcohol solution must be mixed with 70 liters of a 90% solution to get a 30% solution?\r<BR>\n" );
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document.write( "Thanks in advance for your help! </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #114702 by </B><A HREF=/tutors/aboutme.mpl?userid=jojo14344><B>jojo14344(1513)</B></A><img src=\"/images/stars/stars-12.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=jojo14344><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=114702\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> There are 2 unknowns in the problem: VOLUME OF ALCOHOL ---> <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=A%28Liters%29 ALIGN=MIDDLE  ALT=\"A%28Liters%29\"   DISABLED_style= \"max-width:90%; height:auto;\" >? VOLUME OF OUTPUT SOLUTION---> <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=S%5B2%5D%28Liters%29 ALIGN=MIDDLE  ALT=\"S%5B2%5D%28Liters%29\"   DISABLED_style= \"max-width:90%; height:auto;\" >? <BR>\n" );
document.write( "We'll go to the 1st condition: 10% of Alcohol mixed with 90% of 70L of initial solution <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=S%5B1%5D ALIGN=MIDDLE  ALT=\"S%5B1%5D\"   DISABLED_style= \"max-width:90%; height:auto;\" > to produce 30% of <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=S%5B2%5D ALIGN=MIDDLE  ALT=\"S%5B2%5D\"   DISABLED_style= \"max-width:90%; height:auto;\" >. To show:<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=0.10A%2B70L%280.90%29=0.30S%5B2%5D ALIGN=MIDDLE  ALT=\"0.10A%2B70L%280.90%29=0.30S%5B2%5D\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=0.10A%2B63L=0.30S%5B2%5D ALIGN=MIDDLE  ALT=\"0.10A%2B63L=0.30S%5B2%5D\"   DISABLED_style= \"max-width:90%; height:auto;\" > ----------------------> eqn 1<BR>\n" );
document.write( "Now, when we add the Volume of <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=A ALIGN=MIDDLE  ALT=\"A\"   DISABLED_style= \"max-width:90%; height:auto;\" > and <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=S%5B1%5D ALIGN=MIDDLE  ALT=\"S%5B1%5D\"   DISABLED_style= \"max-width:90%; height:auto;\" >, we get the volume of <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=S%5B2%5D ALIGN=MIDDLE  ALT=\"S%5B2%5D\"   DISABLED_style= \"max-width:90%; height:auto;\" >. To show:<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=A%2BS%5B1%5D=S%5B2%5D ALIGN=MIDDLE  ALT=\"A%2BS%5B1%5D=S%5B2%5D\"   DISABLED_style= \"max-width:90%; height:auto;\" > --------------------------------> eqn 2<BR>\n" );
document.write( "Continuing, <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=A%2B70L=S%5B2%5D ALIGN=MIDDLE  ALT=\"A%2B70L=S%5B2%5D\"   DISABLED_style= \"max-width:90%; height:auto;\" > ---------------------> eqn 3<BR>\n" );
document.write( "Substitute eqn 3 in eqn 1:<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=0.10A%2B70L%280.90%29=0.30%28A%2B70L%29 ALIGN=MIDDLE  ALT=\"0.10A%2B70L%280.90%29=0.30%28A%2B70L%29\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=0.10A%2B63L=0.30A%2B21L ALIGN=MIDDLE  ALT=\"0.10A%2B63L=0.30A%2B21L\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=63L-21L=0.30A-0.10A ALIGN=MIDDLE  ALT=\"63L-21L=0.30A-0.10A\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=42L=0.20A ALIGN=MIDDLE  ALT=\"42L=0.20A\"   DISABLED_style= \"max-width:90%; height:auto;\" > -----> <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=cross%2842L%29210L%2Fcross%280.20%29=cross%280.20%29A%2Fcross%280.20%29 ALIGN=MIDDLE  ALT=\"cross%2842L%29210L%2Fcross%280.20%29=cross%280.20%29A%2Fcross%280.20%29\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=A=210L ALIGN=MIDDLE  ALT=\"A=210L\"   DISABLED_style= \"max-width:90%; height:auto;\" > -------------------> volume of Alcohol<BR>\n" );
document.write( ": For Volume of <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=S%5B2%5D ALIGN=MIDDLE  ALT=\"S%5B2%5D\"   DISABLED_style= \"max-width:90%; height:auto;\" >, go back eqn 2:<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=210L%2B70=S%5B2%5D ALIGN=MIDDLE  ALT=\"210L%2B70=S%5B2%5D\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=S%5B2%5D=280L ALIGN=MIDDLE  ALT=\"S%5B2%5D=280L\"   DISABLED_style= \"max-width:90%; height:auto;\" > -------------------> volume of output solution<BR>\n" );
document.write( "In doubt? go back eqn 1:<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=0.10%28210%29%2B70%280.90%29=0.30%28280%29 ALIGN=MIDDLE  ALT=\"0.10%28210%29%2B70%280.90%29=0.30%28280%29\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=21%2B63=84 ALIGN=MIDDLE  ALT=\"21%2B63=84\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=84L=84L ALIGN=MIDDLE  ALT=\"84L=84L\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "thank you<BR>\n" );
document.write( "Jojo\r<BR>\n" );
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document.write( " </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );