document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=637573>Question 637573</A>: <I><SPAN STYLE=\"word-break: break-all;\"> You are given a prescription for 100 mL of a 30% hydrochloric acid solution. The pharmacy carries 90% hydrochloric acid solution.  How many mL of the concentration solution are needed to fill this prescription? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #403755 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=403755\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> You are given a prescription for 100 mL of a 30% hydrochloric acid solution. The pharmacy carries 90% hydrochloric acid solution. How many mL of the concentration solution are needed to fill this prescription?<BR>\n" );
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document.write( "let x=amt of the concentration solution needed to fill this prescription<BR>\n" );
document.write( "90x=30%*100<BR>\n" );
document.write( ".9x=30<BR>\n" );
document.write( "x=30/.9<BR>\n" );
document.write( "x=3+1/3 <BR>\n" );
document.write( "amt of the concentration solution needed to fill this prescription=3+1/3 mL </SPAN>\n" );
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