document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=99017>Question 99017</A>: <I><SPAN STYLE=\"word-break: break-all;\"> A brand of grape drink that is 25% grape juice is mixed with another brand that is 75% grape juice. The result is 7 gallons of grape drink that is 35% grape juice. How much of the brand that is 25% grape juice was used? What are the steps to determine the answer? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #72059 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=72059\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> A brand of grape drink that is 25% grape juice is mixed with another brand that is 75% grape juice. The result is 7 gallons of grape drink that is 35% grape juice. How much of the brand that is 25% grape juice was used? What are the steps to determine the answer?<BR>\n" );
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document.write( "Comment: grape drink is made up of grape juice and water.  You need to<BR>\n" );
document.write( "keep track of the grape juice or the water in each of the solutions.<BR>\n" );
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document.write( "25% grape juice DATA:<BR>\n" );
document.write( "Amount = x gallons ; Amt of grape in it is 0.25x gallons<BR>\n" );
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document.write( "75% grape juice DATA:<BR>\n" );
document.write( "Amount = \"7-x\" gallons; Amt of grape in it is 0.75(7-x) = 5.25-0.75x gallons<BR>\n" );
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document.write( "35% mixture DATA:<BR>\n" );
document.write( "Amount = 7 gallons: amt of grape is 0.35*7 = 2.45 gallons<BR>\n" );
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document.write( "EQUATION:<BR>\n" );
document.write( "grape + grape = grape<BR>\n" );
document.write( "0.25x + 5.25-0.75x = 2.45<BR>\n" );
document.write( "-0.50x = -2.8<BR>\n" );
document.write( "x = 5.6 gallons (amount of 25% grape juice that must be added)<BR>\n" );
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document.write( "Cheers,<BR>\n" );
document.write( "Stan H. </SPAN>\n" );
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