document.write( "Question 1033212: You need a 20% alcohol solution. On hand, you have a 180 mL of a 5% alcohol mixture. You also have 65% alcohol mixture. How much of the 65% mixture will you need to add to obtain the desired solution? \n" ); document.write( "
Algebra.Com's Answer #647780 by jorel555(1290)![]() ![]() ![]() You can put this solution on YOUR website! Let x= amount of 65% mixture needed. Then: \n" ); document.write( "180(.05)+ x(.65)=.2(180+x) \n" ); document.write( "9+.65x=36+.2x \n" ); document.write( ".45x=27 \n" ); document.write( "x=60 ml of 65% mixture needed to make 240 ml of %20 solution!!!!!! \n" ); document.write( " |