document.write( "Question 1005199: There are 2 vats of milk, one counting 25% protein and the other 40% protein. These two are to be mixed in order to get 12 liters of a 35% protein content milk. How many liters of each must be used? \n" ); document.write( "
Algebra.Com's Answer #621540 by Boreal(15235)![]() ![]() You can put this solution on YOUR website! x liters of 25% \n" ); document.write( "12-x liters of 40% \n" ); document.write( ".25x+(12-x)(.40)=12*(0.35) \n" ); document.write( "0.25x+4.8-0.40x=4.20 \n" ); document.write( "-0.15x= -0.6 \n" ); document.write( "x=4 liters of 25% \n" ); document.write( "12-x=8 liters of 40% \n" ); document.write( "To go from 25% to 35% requires twice as much 40% (5 % more) compared to 25% (10% less) \n" ); document.write( ".25*4+.40*8=1+3.20=4.20 \n" ); document.write( " |