document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=836266>Question 836266</A>: <I><SPAN STYLE=\"word-break: break-all;\"> A chemical engineer wanted to etch glass with an acidic solution. The solution that he had had a 25% acid content. This is too weak. He wanted to raise the content to 40%. He added 800g of acid to the solution and raised the content to 40%  What was the size of the original solution? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #504088 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=504088\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> A chemical engineer wanted to etch glass with an acidic solution.<BR>\n" );
document.write( " The solution that he had had a 25% acid content.<BR>\n" );
document.write( " This is too weak. He wanted to raise the content to 40%.<BR>\n" );
document.write( " He added 800g of acid to the solution and raised the content to 40%<BR>\n" );
document.write( " What was the size of the original solution?<BR>\n" );
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document.write( "Let x = amt of 25% solutions<BR>\n" );
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document.write( ".25x + 800 = .40(x+800)<BR>\n" );
document.write( ".25x + 800 = .40x + 320<BR>\n" );
document.write( "800 - 320 = .40x - .25x<BR>\n" );
document.write( "480 = .15x<BR>\n" );
document.write( "x = 480/.15<BR>\n" );
document.write( "x = 3200 grams of the original 25% solution<BR>\n" );
document.write( " </SPAN>\n" );
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