document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=644241>Question 644241</A>: <I><SPAN STYLE=\"word-break: break-all;\"> A chemist has two acid solutions. One contains 15 percent acid and the other contains 6 percent  acid. How many cubic centimeters of each solution should be used to obtain 400cm3 of a solution that is 9 percent acid? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #404902 by </B><A HREF=/tutors/aboutme.mpl?userid=stanbon><B>stanbon(75887)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=stanbon><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=404902\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> A chemist has two acid solutions. One contains 15 percent acid and the other contains 6 percent acid. How many cubic centimeters of each solution should be used to obtain 400cm3 of a solution that is 9 percent acid?<BR>\n" );
document.write( "------<BR>\n" );
document.write( "Equation:<BR>\n" );
document.write( "acid + acid = acid<BR>\n" );
document.write( "0.15x + 0.06(400-x) = 0.09*400<BR>\n" );
document.write( "------<BR>\n" );
document.write( "15x + 6*400-6x = 9*400<BR>\n" );
document.write( "9x = 3*400<BR>\n" );
document.write( "x = (1/3)400<BR>\n" );
document.write( "------<BR>\n" );
document.write( "x = 133 1/3 cm^3 (amt. of 15% solution needed)<BR>\n" );
document.write( "----<BR>\n" );
document.write( "400 - x = 266 2/3 cm^3 (amt. of 6% solution needed)<BR>\n" );
document.write( "=======================================<BR>\n" );
document.write( "Cheers,<BR>\n" );
document.write( "Stan H.<BR>\n" );
document.write( "==============<BR>\n" );
document.write( " </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );