document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=178471>Question 178471</A>: <I><SPAN STYLE=\"word-break: break-all;\"> please help with this question - it is from a review page my teacher made up. \r<BR>\n" );
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document.write( "White vinegar is available as a 5% acetic acid solution and a 10% acetic solution, by volume. How many millilitres of each solution must be mixed to make 100mL of a 7% solution. \r<BR>\n" );
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document.write( "I tried: Let x represent the amount of 5% vinegar.<BR>\n" );
document.write( "         Let y represent the amount of 10% vinegar. <BR>\n" );
document.write( "These are the 2 equations I came up with, but my answer came out wrong.<BR>\n" );
document.write( "x+y=100<BR>\n" );
document.write( "100=x(0.05)+y(0.01)\r<BR>\n" );
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document.write( "The correct answer is supposed to be 60mL of 5% solution and 40mL of 10% solution.\r<BR>\n" );
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document.write( " </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #133409 by </B><A HREF=/tutors/aboutme.mpl?userid=Mathtut><B>Mathtut(3670)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=Mathtut><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=133409\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> White vinegar is available as a 5% acetic acid solution and a 10% acetic solution, by volume. How many millilitres of each solution must be mixed to make 100mL of a 7% solution. <BR>\n" );
document.write( "I tried: Let x represent the amount of 5% vinegar.<BR>\n" );
document.write( "Let y represent the amount of 10% vinegar. <BR>\n" );
document.write( "These are the 2 equations I came up with, but my answer came out wrong.<BR>\n" );
document.write( "x+y=100<BR>\n" );
document.write( "100=x(0.05)+y(0.01) <BR>\n" );
document.write( "The correct answer is supposed to be 60mL of 5% solution and 40mL of 10% solution. \r<BR>\n" );
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document.write( "x+y=100....eq 1<BR>\n" );
document.write( ".05x+.1y=.07(100)<BR>\n" );
document.write( ":<BR>\n" );
document.write( "you were oh.........so close you forgot to multiply the final 100 ml solution by<BR>\n" );
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document.write( "7% and it should be .1y not .01y<BR>\n" );
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document.write( "I will let you carry it from here. </SPAN>\n" );
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