document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=125173>Question 125173</A>This question is from textbook <A HREF=http://www.amazon.com/exec/obidos/ASIN/0321356896/algebrahomeworkh>A Graphical Approach to College algebra</A><BR>\n" );
document.write( ": <I><SPAN STYLE=\"word-break: break-all;\"> I am having a lot of trouble with word problems....hopefully you could help me better understand it!\r<BR>\n" );
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document.write( "A student needs 10% hydrochloride acid for a chemistry expierement. How much 5% acid should be mixed with 120 milliliters of 20% acid to get a 10% solution. \r<BR>\n" );
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document.write( "THANK YOU SO MUCH! </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #91754 by </B><A HREF=/tutors/aboutme.mpl?userid=Earlsdon><B>Earlsdon(6294)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=Earlsdon><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=91754\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Start by letting x = the number of ml of 5% hydrochloride acid solution required to be added to the 120 ml of 20% hydrochloride acid solution to get a total of (120+x) ml of 10% hydrochloride acid solution. <BR>\n" );
document.write( "We can write the equation to solve for x:<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=0.05x+%2B+0.2%28120%29+=+%28120%2Bx%29%280.1%29 ALIGN=MIDDLE  ALT=\"0.05x+%2B+0.2%28120%29+=+%28120%2Bx%29%280.1%29\"   DISABLED_style= \"max-width:90%; height:auto;\" > Simplify and solve for x.<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=0.05x%2B24+=+12%2B0.1x ALIGN=MIDDLE  ALT=\"0.05x%2B24+=+12%2B0.1x\"   DISABLED_style= \"max-width:90%; height:auto;\" > Subtract 0.05x from both sides.<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=24+=+12%2B0.05x ALIGN=MIDDLE  ALT=\"24+=+12%2B0.05x\"   DISABLED_style= \"max-width:90%; height:auto;\" > Subtract 12 from both sides.<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=12+=+0.05x ALIGN=MIDDLE  ALT=\"12+=+0.05x\"   DISABLED_style= \"max-width:90%; height:auto;\" > Finally, divide both sides bt 0.05<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=240+=+x ALIGN=MIDDLE  ALT=\"240+=+x\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "The student will need to add 240ml of 5% hydrochloride acid solution to 120ml of 20% hydrochloride acid solution to obtain 360ml of 10% hydrochloride acid solution. </SPAN>\n" );
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