document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=504539>Question 504539</A>: <I><SPAN STYLE=\"word-break: break-all;\"> A Scientist has one solution that is 10% iodine and another that is 40% iodine. How much of each should the scientist use to produce 100mL of a mixture that is 25% iodine. </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #339627 by </B><A HREF=/tutors/aboutme.mpl?userid=checkley77><B>checkley77(12844)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=checkley77><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=339627\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> .10x*.40(100-x)=.25*100<BR>\n" );
document.write( ".10x+40-.40x=25<BR>\n" );
document.write( "-.30x=25-40<BR>\n" );
document.write( "-.30x=-15<BR>\n" );
document.write( "x=-15/-.30<BR>\n" );
document.write( "x=50 ml. of 10% iodine is used.<BR>\n" );
document.write( "100-50=50 ml. of 40% iodine is used.<BR>\n" );
document.write( "Proof:<BR>\n" );
document.write( ".10*50+.40*50=.25*100<BR>\n" );
document.write( "5+20=25<BR>\n" );
document.write( "25=25\r<BR>\n" );
document.write( "\n" );
document.write( " </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );