document.write( "Question 166035: HOW much water must be mixed with 9 pints of 70% developer to produce a mixture that is 25% developer? \n" ); document.write( "
Algebra.Com's Answer #122407 by checkley77(12844)![]() ![]() ![]() You can put this solution on YOUR website! .70*9=.25(9+x) \n" ); document.write( "6.3=2.25+.25x \n" ); document.write( ".25x=6.3-2.25 \n" ); document.write( ".25x=4.05 \n" ); document.write( "x=4.05/.25 \n" ); document.write( "x=16.2 pints of water is needed. \n" ); document.write( "Proof: \n" ); document.write( ".70*9=.25(9+16.2) \n" ); document.write( "6.3=.25*25.2 \n" ); document.write( "6.3=6.3 \n" ); document.write( " |