document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1054016>Question 1054016</A>: <I><SPAN STYLE=\"word-break: break-all;\">  please solve this problem.\r<BR>\n" );
document.write( "\n" );
document.write( "A certain concrete mixture contains 6.00% cement and 8.00% sand.\r<BR>\n" );
document.write( "\n" );
document.write( " <BR>\n" );
document.write( "How many kilograms of this mixture and how many kilograms of sand should be combined with 235 kg of cement to make a batch that is 14.0% cement and 16.0% sand? Carry out all calculations exactly and round to three significant digits final answers only. </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #669221 by </B><A HREF=/tutors/aboutme.mpl?userid=josgarithmetic><B>josgarithmetic(39618)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=josgarithmetic><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=669221\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Thinking about a three-part mixture is more difficult than to think about a two part mixture.\r<BR>\n" );
document.write( "<BR>\n" );
document.write( "\n" );
document.write( "s, how much of 100% sand;<BR>\n" );
document.write( "235 kilograms, how much of100% cement;<BR>\n" );
document.write( "m, how much of the \"concrete\" mixture at 6.00% cement and 8.00% sand.\r<BR>\n" );
document.write( "<BR>\n" );
document.write( "\n" );
document.write( "These equations are using decimal numbers and not any quantities as percents:\r<BR>\n" );
document.write( "<BR>\n" );
document.write( "\n" );
document.write( "Account for the desired percent cement.<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=%28235%2B0.06%2Am%29%2F%28235%2Bm%2Bs%29=0.14 ALIGN=MIDDLE  ALT=\"%28235%2B0.06%2Am%29%2F%28235%2Bm%2Bs%29=0.14\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
document.write( "<BR>\n" );
document.write( "\n" );
document.write( "Account for the desired percent sand.<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=%28s%2B0.08m%29%2F%28235%2Bm%2Bs%29=0.16 ALIGN=MIDDLE  ALT=\"%28s%2B0.08m%29%2F%28235%2Bm%2Bs%29=0.16\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
document.write( "<BR>\n" );
document.write( "<BR>\n" );
document.write( "\n" );
document.write( "The arithmetic should be easier than to do the analysis shown, so you could take care of that arithmetic. </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );