document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1036642>Question 1036642</A>: <I><SPAN STYLE=\"word-break: break-all;\"> You need a 70% alcohol solution. On hand, you have a 30 mL of a 30% alcohol mixture. You also have 75% alcohol mixture. How much of the 75% mixture will you need to add to obtain 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 #651366 by </B><A HREF=/tutors/aboutme.mpl?userid=ankor@dixie-net.com><B>ankor@dixie-net.com(22740)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=ankor@dixie-net.com><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=ankor@dixie-net.com><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=651366\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> You need a 70% alcohol solution.<BR>\n" );
document.write( " On hand, you have a 30 mL of a 30% alcohol mixture.<BR>\n" );
document.write( " You also have 75% alcohol mixture.<BR>\n" );
document.write( " How much of the 75% mixture will you need to add to obtain the desired solution? <BR>\n" );
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document.write( "let a the amt of 75% solution required<BR>\n" );
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document.write( "A typical mixture equation using decimals<BR>\n" );
document.write( ".30(30) + .75a = .70(a+30)<BR>\n" );
document.write( "9 + .75a = .70a + 21<BR>\n" );
document.write( ".75a - .70a = 21 - 9<BR>\n" );
document.write( ".05a = 12<BR>\n" );
document.write( "a = 12/.05<BR>\n" );
document.write( "a = 240 ml of 75% solution<BR>\n" );
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document.write( "Check this<BR>\n" );
document.write( ".30(30) + .75(240) =.70(240+30)<BR>\n" );
document.write( "9 + 180 = .70(270) </SPAN>\n" );
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