document.write( "Question 335856: a 10% solution of fertilizer is to be mixed with a 50% solution of fertilizer in order to get 160 gallons of 40% solution. How many gallons of the 10% solution and the 50% solution should be mixed? \n" ); document.write( "
Algebra.Com's Answer #240880 by mananth(16946)![]() ![]() You can put this solution on YOUR website! let 10 % be x \n" ); document.write( "50 % will be 160-x \n" ); document.write( "Mixture 40% 160 liters \n" ); document.write( ".. \n" ); document.write( "Concentration equation \n" ); document.write( ".. \n" ); document.write( "0.1x+0.5(160-x)= 160*.4 \n" ); document.write( "0.1x +80-0.5x = 64 \n" ); document.write( "-0.4x = -80+64 \n" ); document.write( "-0.4x = -16 \n" ); document.write( "divide by -0.4 \n" ); document.write( "x= -16/-0.4 \n" ); document.write( "x=40 liters 10% solution \n" ); document.write( " \n" ); document.write( " |