document.write( "Question 402595: Tank A contains 32 gallons of solution which is 25% alcohol by volume. Tank B has 50 gal of solution which is 40% alcohol by volume. What volume should be taken from each tank and combined in order to make up 40 gal of solution containing 30% alcohol by volume? \n" ); document.write( "
Algebra.Com's Answer #284749 by robertb(5830)\"\" \"About 
You can put this solution on YOUR website!
0.25x + 0.40(40 - x) = 0.30*40
\n" ); document.write( "0.25x + 16 - 0.40x = 12
\n" ); document.write( "-0.15x = -4
\n" ); document.write( "\"x+=+26%262%2F3\" gallons to be taken from tank A,
\n" ); document.write( "\"40+-+x+=+13%261%2F3\" gallons to be taken from tank B.
\n" ); document.write( "
\n" );