document.write( "Question 314006: how many liters of a 30% solution should be added to 50 liters of a 15% solution if the final mixture should contain 20% solution? \n" ); document.write( "
Algebra.Com's Answer #224474 by stanbon(75887)![]() ![]() ![]() You can put this solution on YOUR website! how many liters of a 30% solution should be added to 50 liters of a 15% solution if the final mixture should contain 20% solution? \n" ); document.write( "------------------------ \n" ); document.write( "Equation: \n" ); document.write( "active + active = active \n" ); document.write( "0.30x + 0.15*50 = 0.20(x+50) \n" ); document.write( "--- \n" ); document.write( "Multiply thru by 100 to get: \n" ); document.write( "30x + 15*50 = 20x + 20*50 \n" ); document.write( "10x = 5*50 \n" ); document.write( "x = 25 liters (amt. of 30% solution needed in the mixture) \n" ); document.write( "=============== \n" ); document.write( "Cheers, \n" ); document.write( "Stan H. \n" ); document.write( " |