document.write( "Question 990543: 23% solution is added to 17% solution to get 45 gallons of 20% solution. How much of each should be added? \n" ); document.write( "
Algebra.Com's Answer #610539 by Boreal(15235)![]() ![]() You can put this solution on YOUR website! x=23% solution \n" ); document.write( "45-x=17% solution \n" ); document.write( ".23x+ 0.17(45-x)=45*0.20=9 \n" ); document.write( ".23x + 7.65-0.17x=9 \n" ); document.write( "0.06x=1.35 \n" ); document.write( "x=22.5 gal of 23% \n" ); document.write( "45-x=22.5 gal \n" ); document.write( "======= \n" ); document.write( "Faster way. \n" ); document.write( "If you mix them 1:1 you get 20%, so it will be half of 45 for each. \n" ); document.write( " \n" ); document.write( " |