document.write( "Question 363211: A chemist wants to make 50 mL of a 17% acid solution by mixing a 13% acid solution and an 18% acid solution. How many milliliters of each solution should the chemist use? \n" ); document.write( "
Algebra.Com's Answer #258977 by checkley77(12844)![]() ![]() ![]() You can put this solution on YOUR website! .18x+.13(50-x)=.17*50 \n" ); document.write( ".18x+6.5-.13x=8.5 \n" ); document.write( ".05x=8.5-6.5 \n" ); document.write( ".05x=2 \n" ); document.write( "x=2/.05 \n" ); document.write( "x=40 ml of 18% acid is used. \n" ); document.write( "Proof: \n" ); document.write( ".18*40+.13(50-40)=.17*50 \n" ); document.write( "7.2+.13*10=8.5 \n" ); document.write( "7.2+1.3=8.5 \n" ); document.write( "8.5=8.5 \n" ); document.write( " \n" ); document.write( " |