document.write( "Question 257585: The solution in a 7 liter radiator system is 35% antifreeze. How much of the solution must be drained and replaced by a 95% antifreeze solution to obtain a 50% antifreeze solution? \n" ); document.write( "
Algebra.Com's Answer #189501 by stanbon(75887) ![]() You can put this solution on YOUR website! The solution in a 7 liter radiator system is 35% antifreeze. How much of the solution must be drained and replaced by a 95% antifreeze solution to obtain a 50% antifreeze solution? \n" ); document.write( "------------------------------------- \n" ); document.write( "Equation: \n" ); document.write( "anti - anti + anti = anti \n" ); document.write( "0.35*7 - 0.35x + 0.95x = 0.50*7 \n" ); document.write( "2.45 +0.60x = 3.5 \n" ); document.write( "0.60x = 1.05 \n" ); document.write( "x = 1.75 liters (amount drained and replaced) \n" ); document.write( "===================================================== \n" ); document.write( "Cheers, \n" ); document.write( "Stan H. \n" ); document.write( " \n" ); document.write( " |