document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=478960>Question 478960</A>: <I><SPAN STYLE=\"word-break: break-all;\"> How much pure alcohol must be added to 10 gallons of 35% alcohol to have a solution that is 60% alcohol? Solve by substitution method </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #328187 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=328187\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Let x = the number of gallons of pure alcohol to be added to the 10 gallons of 35% alcohol solution to obtain (10+x) gallons of 60% alcohol solution.<BR>\n" );
document.write( "You can write the equation for the amount of alcohol as follows (after changing the percentages to their decimal equivalents):<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=0.35%2810%29%2Bx+=+%280.6%29%2810%2Bx%29 ALIGN=MIDDLE  ALT=\"0.35%2810%29%2Bx+=+%280.6%29%2810%2Bx%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=0.35%2810%29%2Bx+=+6%2B0.6x ALIGN=MIDDLE  ALT=\"0.35%2810%29%2Bx+=+6%2B0.6x\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=3.5%2Bx+=+6%2B0.6x ALIGN=MIDDLE  ALT=\"3.5%2Bx+=+6%2B0.6x\"   DISABLED_style= \"max-width:90%; height:auto;\" > Subtract 0.6x from both sides.<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=3.5%2B0.4x+=+6 ALIGN=MIDDLE  ALT=\"3.5%2B0.4x+=+6\"   DISABLED_style= \"max-width:90%; height:auto;\" > Subtract 3.5 from both sides.<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=0.4x+=+2.5 ALIGN=MIDDLE  ALT=\"0.4x+=+2.5\"   DISABLED_style= \"max-width:90%; height:auto;\" > Finally, didvide oth sides by 4.<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=x+=+6.25 ALIGN=MIDDLE  ALT=\"x+=+6.25\"   DISABLED_style= \"max-width:90%; height:auto;\" >gallons of pure alcohol. </SPAN>\n" );
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