document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1166070>Question 1166070</A>: <I><SPAN STYLE=\"word-break: break-all;\"> A certain drug is made from only two ingredients: compound A and compound B. There are 4 milliliters of compound A used for every 5 milliliters of compound B. If a chemist wants to make 612 milliliters of the drug, how many milliliters of compound A are needed? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #790539 by </B><A HREF=/tutors/aboutme.mpl?userid=htmentor><B>htmentor(1343)</B></A><img src=\"/images/stars/stars-12.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=htmentor><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=htmentor><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=790539\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> The ratio of A to B is 4 to 5: A/B = 4/5<BR>\n" );
document.write( "Thus A = (4/5)B<BR>\n" );
document.write( "A + B = 612 -> (4/5)B + B = 612<BR>\n" );
document.write( "B = (5/9)612 = 340 ml<BR>\n" );
document.write( "Hence A = (4/5)340 = 272 ml<BR>\n" );
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