document.write( "Question 636254: A solution of 61% bleach is to be mixed with a solution of 27% bleach to make 68 gallons of a 44% solution. How many gallons of each should be used?\r
\n" );
document.write( "\n" );
document.write( " \n" );
document.write( "
Algebra.Com's Answer #400967 by ankor@dixie-net.com(22740)![]() ![]() You can put this solution on YOUR website! A solution of 61% bleach is to be mixed with a solution of 27% bleach \n" ); document.write( " to make 68 gallons of a 44% solution. \n" ); document.write( " How many gallons of each should be used? \n" ); document.write( ": \n" ); document.write( "Let x = amt of 61% bleach required \n" ); document.write( "the resulting mixture is to be 68 gal, therefore: \n" ); document.write( "(68-x) = amt of 27% solution required \n" ); document.write( ": \n" ); document.write( "A typical mixture equation \n" ); document.write( ": \n" ); document.write( ".61x + .27(68-x) = .44(68) \n" ); document.write( ": \n" ); document.write( ".61x + 18.36 - .27x = 29.92 \n" ); document.write( ".61x - .27x = 29.92 - 18.36 \n" ); document.write( ".34x = 11.56 \n" ); document.write( "x = 11.56/.34 \n" ); document.write( "x = 34 gal of 61% solution \n" ); document.write( "and \n" ); document.write( "68 - 34 = 34 gal of 27% solution \n" ); document.write( " \n" ); document.write( " |