document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=433560>Question 433560</A>: <I><SPAN STYLE=\"word-break: break-all;\"> You are making 10 tons of concrete that is<BR>\n" );
document.write( "62% cement by mixing a 20% cement mixture<BR>\n" );
document.write( "with a 80% cement mixture.\r<BR>\n" );
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document.write( "a) How much of the 80% cement mixture<BR>\n" );
document.write( "must you use?<BR>\n" );
document.write( "Answer in units of tons.\r<BR>\n" );
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document.write( "Help me! </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #300543 by </B><A HREF=/tutors/aboutme.mpl?userid=lwsshak3><B>lwsshak3(11628)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=lwsshak3><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=300543\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> You are making 10 tons of concrete that is<BR>\n" );
document.write( "62% cement by mixing a 20% cement mixture<BR>\n" );
document.write( "with a 80% cement mixture. <BR>\n" );
document.write( "a) How much of the 80% cement mixture<BR>\n" );
document.write( "must you use?<BR>\n" );
document.write( "..<BR>\n" );
document.write( "let x=tons of 80% mixture to use<BR>\n" );
document.write( "then 10-x tons of 20% mixture to use<BR>\n" );
document.write( "80%x+20%(10-x)=62%(10)<BR>\n" );
document.write( ".8x+2-.2x=6.2<BR>\n" );
document.write( ".6x=4.2 <BR>\n" );
document.write( "x=7 tons\r<BR>\n" );
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document.write( "ans:<BR>\n" );
document.write( "7 tons of 80% mixture is mixed with 3 tons of the 20% mixture to get 10 tons of 62% concrete. </SPAN>\n" );
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