document.write( "Question 268020: A bartender has rum that is 40% alcohol. How much rum and how much cola need to be mixed together to make 5 liters of rum-and-cola that is 16% alcohol?\r
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document.write( "I can't figure out the equation to use to solve this problem..... \n" );
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Algebra.Com's Answer #196510 by stanbon(75887)![]() ![]() ![]() You can put this solution on YOUR website! A bartender has rum that is 40% alcohol. How much rum and how much cola need to be mixed together to make 5 liters of rum-and-cola that is 16% alcohol? \n" ); document.write( "--------------------- \n" ); document.write( "Equation: \n" ); document.write( "alcohol + alcohol = alcohol \n" ); document.write( "0.40x + 0(5-x) = 0.16*5 \n" ); document.write( "Multiply thru by 100 to get: \n" ); document.write( "40x = 16*5 \n" ); document.write( "x = 80/40 = 2 liters (amt. of rum needed in the mixture \n" ); document.write( "5-x = 3 liters (amt. of cola needed in the mixture) \n" ); document.write( "============================================ \n" ); document.write( "Cheers, \n" ); document.write( "Stan H. \n" ); document.write( " |