document.write( "Question 904271: A chemist wants to mix a 22% acid solution with a 36% acid solution to get 28 L of a 26% acid
\n" );
document.write( "solution. How many liters of the 22% solution and how many liters of the 36% solution should be
\n" );
document.write( "mixed?
\n" );
document.write( " \n" );
document.write( "
Algebra.Com's Answer #548594 by richwmiller(17219)![]() ![]() You can put this solution on YOUR website! a+b=28, \n" ); document.write( "0.22*a+0.36*b=0.26*28 \n" ); document.write( "a=28-b \n" ); document.write( "0.22*(28-b)+0.36*b=7.28 \n" ); document.write( "6.16-0.22b+0.36*b=7.28 \n" ); document.write( "0.14*b=1.12 \n" ); document.write( "b=8 \n" ); document.write( "a=28-b \n" ); document.write( "a=20 liter at 22% b=8 liter at 36% \n" ); document.write( "check \n" ); document.write( "0.22*20+0.36*8=0.26*28 \n" ); document.write( "4.4+2.88=7.28 \n" ); document.write( "7.28=7.28 \n" ); document.write( "ok \n" ); document.write( " \n" ); document.write( " |