document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=526155>Question 526155</A>: <I><SPAN STYLE=\"word-break: break-all;\"> In a 70g 15 percent solution how much of a 90 percent solution does it take to make an 80 percent solution?<BR>\n" );
document.write( "Please show me how to set up the<BR>\n" );
document.write( "Problem and solve it too.  Thanks </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #348339 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=348339\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> In a 70g 15 percent solution how much of a 90 percent solution does it take to make an 80 percent solution?<BR>\n" );
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document.write( "Equation:<BR>\n" );
document.write( "active + active = active<BR>\n" );
document.write( "0.15*70 + 0.90x = 0.80(70+x)<BR>\n" );
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document.write( "Multiply thru by 100 to get:<BR>\n" );
document.write( "15*70 + 90x = 80*70 + 80x<BR>\n" );
document.write( "10x = 65*70<BR>\n" );
document.write( "---<BR>\n" );
document.write( "x = 7*65<BR>\n" );
document.write( "x = 455 grams (amt. of 90% solution needed)<BR>\n" );
document.write( "---------------<BR>\n" );
document.write( "Cheers,<BR>\n" );
document.write( "Stan H.<BR>\n" );
document.write( " </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );