document.write( "Question 693979: process please:\r
\n" );
document.write( "
\n" );
document.write( "\n" );
document.write( "How many ml of a 30% acid solution must be mixed with 2 ml of a 40% acid solution to make a 32% solution? \n" );
document.write( "
Algebra.Com's Answer #427671 by checkley79(3341)![]() ![]() ![]() You can put this solution on YOUR website! .30x+.40*2=.32(x+2) \n" ); document.write( ".30x+.80=.32x+.64 \n" ); document.write( ".30x-.32x=.64-.80 \n" ); document.write( "-.02x=-.16 \n" ); document.write( "x=-.16/-.02 \n" ); document.write( "x=8 ml of the 30% solution is used. \n" ); document.write( "Proof: \n" ); document.write( ".30*8+.40*2=.32(8+2) \n" ); document.write( "2.4+.8=.32*10 \n" ); document.write( "3.2=3.2 \n" ); document.write( " |