document.write( "Question 838757: I need help with this problem, I don't even know where to begin:
\n" );
document.write( "A chemist has three different acid solutions. The first acid solution contains 30% acid, the second contains 40%, and the third contains 60%. He wants to use all three solutions to obtain a mixture of 161 liters containing 50% acid, using twice as much of the 60% solution as the 40% solution. How many liters of each solution should be used? \n" );
document.write( "
Algebra.Com's Answer #505303 by richwmiller(17219)![]() ![]() You can put this solution on YOUR website! c=2b, \n" ); document.write( "a+b+c=161, \n" ); document.write( ".3a+.4b+.6c=.5*161 \n" ); document.write( "a=23., b=46., c=92. \n" ); document.write( " |