document.write( "Question 1018268: The cooling system on Peters Ford F-150 truck contains 6 gallons of coolant that is 40% antifreeze (the rest being water). How much must be withdrawn and replaced with 100% pure antifreeze to bring the mixture to 50% antifreeze level (the percentage most often recommended)l? \n" ); document.write( "
Algebra.Com's Answer #634437 by stanbon(75887)![]() ![]() ![]() You can put this solution on YOUR website! The cooling system on Peters Ford F-150 truck contains 6 gallons of coolant that is 40% antifreeze (the rest being water). How much must be withdrawn and replaced with 100% pure antifreeze to bring the mixture to 50% antifreeze level (the percentage most often recommended)l? \n" ); document.write( "----------------- \n" ); document.write( "Equation: \n" ); document.write( "active - active + active = active \n" ); document.write( "0.40*6 - -0.40x + 1*x = 0.50*6 \n" ); document.write( "------------------------- \n" ); document.write( "40*6 - 40x + 100x = 50*6 \n" ); document.write( "---- \n" ); document.write( "-10*6 +60x = 0 \n" ); document.write( "x = 1 gallon (amt. of antifreeze to withdraw and replace) \n" ); document.write( "------- \n" ); document.write( "Cheers, \n" ); document.write( "Stan H. \n" ); document.write( "----------- \n" ); document.write( " |