document.write( "Question 693839: You have some chocolate bars which are 55% cocoa, and some other chocolate bars that are 25% cocoa. If you melt them down and mix them together, and end up with chocolate that is 49% cocoa, how many if each bar was used? \n" ); document.write( "
Algebra.Com's Answer #427594 by stanbon(75887)![]() ![]() ![]() You can put this solution on YOUR website! You have some chocolate bars which are 55% cocoa, and some other chocolate bars that are 25% cocoa. If you melt them down and mix them together, and end up with chocolate that is 49% cocoa, how many if each bar was used? \n" ); document.write( "-------- \n" ); document.write( "Equation: \n" ); document.write( "cocoa + cocoa = cocoa \n" ); document.write( "0.55A + 0.25B = 0.48(A+B) \n" ); document.write( "------------------------------ \n" ); document.write( "55A + 25B = 48A + 48B \n" ); document.write( "7A = 23B \n" ); document.write( "----- \n" ); document.write( "One possible answer: \n" ); document.write( "23 of the 55% bars \n" ); document.write( "7 of the 25% bars \n" ); document.write( "======================= \n" ); document.write( "Cheers, \n" ); document.write( "Stan H. \n" ); document.write( " |