document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=450971>Question 450971</A>: <I><SPAN STYLE=\"word-break: break-all;\"> How much of a 5% acid solution and a 20% acid solution must be mixed in order to obtain 3 gallons of a 10% acid solution?\r<BR>\n" );
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document.write( "Please show me the steps to get the answer. Thanks </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #310121 by </B><A HREF=/tutors/aboutme.mpl?userid=stanbon><B>stanbon(75887)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=stanbon><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=310121\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> How much of a 5% acid solution and a 20% acid solution must be mixed in order to obtain 3 gallons of a 10% acid solution? <BR>\n" );
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document.write( "Equations:<BR>\n" );
document.write( "Quantity Eq:: f + t = 3 gallons<BR>\n" );
document.write( "Acid Eq:::: 0.05f+0.20t == 0.10*3<BR>\n" );
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document.write( "Multiply thru 1st equation by 5.<BR>\n" );
document.write( "Multiply thru 2nd equation by 100.<BR>\n" );
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document.write( "5f + 5t = 5*3<BR>\n" );
document.write( "5f +20t = 10*3<BR>\n" );
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document.write( "Subtract and solve for \"t\":<BR>\n" );
document.write( "15t = 5*3<BR>\n" );
document.write( "t = 1 gallon (amt. of 20% solution needed)<BR>\n" );
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document.write( "Solve for \"f\":<BR>\n" );
document.write( "f + t = 3<BR>\n" );
document.write( "f + 1 = 3<BR>\n" );
document.write( "f = 2 gallons (amt. of 5% soltuion needed)<BR>\n" );
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document.write( "Cheers,<BR>\n" );
document.write( "Stan H. </SPAN>\n" );
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