document.write( "Question 187222: How many liters each of 12.5% acid solution and 20.25% acid solution must be mixed to obtain 100 liters of 17.5% acid solution?\r
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Algebra.Com's Answer #140338 by stanbon(75887)![]() ![]() ![]() You can put this solution on YOUR website! How many liters each of 12.5% acid solution and 20.25% acid solution must be mixed to obtain 100 liters of 17.5% acid solution? \n" ); document.write( "----------------------- \n" ); document.write( "Equation: \n" ); document.write( "acid + acid = acid \n" ); document.write( "0.125x + 0.2025(100-x) = 0.175*100 \n" ); document.write( "---- \n" ); document.write( "Multiply thru by 10000 to get rid of the decimals: \n" ); document.write( "1250x + 2025(100-x) = 1750*100 \n" ); document.write( "-775x = -275*100 \n" ); document.write( "x = 35.48 liters (amt of 12.5% solution in the mixture) \n" ); document.write( "100-35.48 = 64.52 liters (amt of 20.25% solution in the mixture) \n" ); document.write( "---------------------------- \n" ); document.write( "Cheers, \n" ); document.write( "Stan H. \n" ); document.write( " |