document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1041414>Question 1041414</A>: <I><SPAN STYLE=\"word-break: break-all;\"> 7 L of an acid solution was mixed with 3 L of a 15% acid solution to make a 29% acid solution. Find the percent concentration of the first solution.\r<BR>\n" );
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document.write( "9 lbs. of mixed nuts containing 55% peanuts were mixed with 6 lbs. of another kind of mixed nuts that contain 40% peanuts. What percent of the new mixture is peanuts? \r<BR>\n" );
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document.write( "A solution containing 30% chicken broth is to be mixed with a solution containing 50% chicken broth to make 200L containing 42% chicken broth. How much of each solution should be mixed?<BR>\n" );
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document.write( "House blend coffee is 50% Columbian beans and Special blend coffee is 80% Columbian beans. How much of each should be used to produce 100kg of a blend that is 68% Columbian beans?\r<BR>\n" );
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document.write( "How many quarts of a 50% sugar solution must be mixed with 8 quarts of water to make a 10% solution? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #656377 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=656377\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\">  7 L of an acid solution was mixed with 3 L of a 15% acid solution to make a 29% acid solution. Find the percent concentration of the first solution.<BR>\n" );
document.write( "acid + acid = acid<BR>\n" );
document.write( "(x/100)*7 + 0.15*3 = 0.29*(7+3)<BR>\n" );
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document.write( "Multiply thru by 100 to get:<BR>\n" );
document.write( "7x + 45 = 290<BR>\n" );
document.write( "7x = 245<BR>\n" );
document.write( "x = 35<BR>\n" );
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document.write( "Ans:: 35%<BR>\n" );
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document.write( "9 lbs. of mixed nuts containing 55% peanuts were mixed with 6 lbs. of another kind of mixed nuts that contain 40% peanuts. What percent of the new mixture is peanuts?<BR>\n" );
document.write( "peanuts + peanuts = peanuts<BR>\n" );
document.write( "0.55*9 + 0.40*6 = x(9+6)<BR>\n" );
document.write( "Multiply thru by 100 to get<BR>\n" );
document.write( "55*9 + 40*6 = 1500x<BR>\n" );
document.write( "x = 49%<BR>\n" );
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document.write( "Comment:: The three problems below can be worked in a similar manner.<BR>\n" );
document.write( "Cheers,<BR>\n" );
document.write( "Stan H.<BR>\n" );
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document.write( "A solution containing 30% chicken broth is to be mixed with a solution containing 50% chicken broth to make 200L containing 42% chicken broth. How much of each solution should be mixed?\r<BR>\n" );
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document.write( "House blend coffee is 50% Columbian beans and Special blend coffee is 80% Columbian beans. How much of each should be used to produce 100kg of a blend that is 68% Columbian beans? \r<BR>\n" );
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document.write( "How many quarts of a 50% sugar solution must be mixed with 8 quarts of water to make a 10% solution?  </SPAN>\n" );
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