document.write( "Question 694592: The radiator of a car is filled with 3.8L of a solution of 45% antifreeze. How much of the solution should be drained and replaced with antifreeze to increase the concentration of antifreeze to 60%? Round to the nearest tenth of liter. \r
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document.write( "I tried the problem and got it wrong. I did:\r
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document.write( "3.8L/1=45%/60% = 2.9L \n" );
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Algebra.Com's Answer #428097 by ankor@dixie-net.com(22740)![]() ![]() You can put this solution on YOUR website! The radiator of a car is filled with 3.8L of a solution of 45% antifreeze. \n" ); document.write( " How much of the solution should be drained and replaced with antifreeze to increase the concentration of antifreeze to 60%? \n" ); document.write( " Round to the nearest tenth of liter. \n" ); document.write( ": \n" ); document.write( "Use this equation: \n" ); document.write( ": \n" ); document.write( "Let x = amt to be removed and then added \n" ); document.write( ".45(3.8-x) + 1x = .60(3.8) \n" ); document.write( " |