document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=214190>Question 214190</A>: <I><SPAN STYLE=\"word-break: break-all;\"> ricardo needs to have a 20% solution of antifreeze and water in his radiator. if the Radiator of truck contains 8 quarts of Solution of antifreeze and water, with 10% being antifreeze, how much antifreeze must be added to create the desired solution </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #161777 by </B><A HREF=/tutors/aboutme.mpl?userid=josmiceli><B>josmiceli(19441)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=josmiceli><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=josmiceli><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=161777\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> This problem assumes that his radiator is big<BR>\n" );
document.write( "enough to hold the extra antifreeze he's adding,<BR>\n" );
document.write( "just to be aware<BR>\n" );
document.write( "Let <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=a ALIGN=MIDDLE  ALT=\"a\"   DISABLED_style= \"max-width:90%; height:auto;\" > = quarts of antifreeze he needs to add<BR>\n" );
document.write( "In words:<BR>\n" );
document.write( "(original amount of antifreeze + antifreeze to be added)/(final quarts of mixture in radiator) = 20%<BR>\n" );
document.write( "--------------------------<BR>\n" );
document.write( "Given:<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=.1%2A8+=+.8 ALIGN=MIDDLE  ALT=\".1%2A8+=+.8\"   DISABLED_style= \"max-width:90%; height:auto;\" > quarts of original atifreeze in radiator<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=%28.8+%2B+a%29%2F%288+%2B+a%29+=+.2 ALIGN=MIDDLE  ALT=\"%28.8+%2B+a%29%2F%288+%2B+a%29+=+.2\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=.8+%2B+a+=+.2%2A%288+%2B+a%29 ALIGN=MIDDLE  ALT=\".8+%2B+a+=+.2%2A%288+%2B+a%29\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=.8+%2B+a+=+1.6+%2B+.2a ALIGN=MIDDLE  ALT=\".8+%2B+a+=+1.6+%2B+.2a\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=.8a+=+.8 ALIGN=MIDDLE  ALT=\".8a+=+.8\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=a+=+1 ALIGN=MIDDLE  ALT=\"a+=+1\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "He must add 1 quart of antifreeze (assuming the radiator can hold<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=8+%2B+1+=+9 ALIGN=MIDDLE  ALT=\"8+%2B+1+=+9\"   DISABLED_style= \"max-width:90%; height:auto;\" > quarts)<BR>\n" );
document.write( "check answer:<BR>\n" );
document.write( "Now he has <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=.8+%2B+1+=+1.8 ALIGN=MIDDLE  ALT=\".8+%2B+1+=+1.8\"   DISABLED_style= \"max-width:90%; height:auto;\" > quarts of antifreeze in radiator<BR>\n" );
document.write( "and 9 quarts total mixture<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=1.8%2F9+=+.2 ALIGN=MIDDLE  ALT=\"1.8%2F9+=+.2\"   DISABLED_style= \"max-width:90%; height:auto;\" > He has 20% antifreeze<BR>\n" );
document.write( "OK<BR>\n" );
document.write( " <BR>\n" );
document.write( " </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );