document.write( "Question 822275: How many cups of grape punch containing 10% fruit juice and berry punch containing 20% fruit juice must be added together to create 12 cups of punch with 18% fruit juice?\r
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Algebra.Com's Answer #494749 by stanbon(75887)![]() ![]() ![]() You can put this solution on YOUR website! How many cups of grape punch containing 10% fruit juice and berry punch containing 20% fruit juice must be added together to create 12 cups of punch with 18% fruit juice? \n" ); document.write( "------- \n" ); document.write( "Equation: \n" ); document.write( "fj + fj = fj \n" ); document.write( "0.10x + 0.20(12-x) = 0.18*12 \n" ); document.write( "------------------------------ \n" ); document.write( "10x + 20*12 - 20x = 18*12 \n" ); document.write( "-10x = -2*12 \n" ); document.write( "x = (1/5)12 \n" ); document.write( "x = 2.4 cups (amt. of 10% needed) \n" ); document.write( "----- \n" ); document.write( "12-x = 9.6 cups (amt. of 20% needed) \n" ); document.write( "========================= \n" ); document.write( "Cheers, \n" ); document.write( "Stan H. \n" ); document.write( "========================= \n" ); document.write( " |