document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=776871>Question 776871</A>: <I><SPAN STYLE=\"word-break: break-all;\"> A bottle contains 750 mL of fruit punch with a concentration of 50% pure fruit juice.  Jill drinks 100 mL of the punch and then refills the bottle with an equal amount of a cheaper brand of punch.  If the concentration of juice in the bottle is now reduced to 48%, what was the concentration in the punch that Jill added? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #473764 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=473764\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> A bottle contains 750 mL of fruit punch with a concentration of 50% pure fruit juice. Jill drinks 100 mL of the punch and then refills the bottle with an equal amount of a cheaper brand of punch. If the concentration of juice in the bottle is now reduced to 48%, what was the concentration in the punch that Jill added?<BR>\n" );
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document.write( "fruit + fruit = fruit<BR>\n" );
document.write( "0.50*650 + x*100 = 0.48(650+100)<BR>\n" );
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document.write( "50*650 + 10000x = 48*650 + 48*100<BR>\n" );
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document.write( "10000x = 3500<BR>\n" );
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document.write( "x = 0.35 = 35% (concentration of added punch)<BR>\n" );
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document.write( "Cheers,<BR>\n" );
document.write( "Stan H.<BR>\n" );
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