document.write( "Question 547742: a chemist has one solution that is 15% salkt and a second that is 25% salt how many liters of each should be mixed together to get 30 liters of a solution that is 18% salt? \n" ); document.write( "
Algebra.Com's Answer #356543 by mananth(16946)![]() ![]() You can put this solution on YOUR website! percent ---------------- quantity \n" ); document.write( "Base I 15 ---------------- x L \n" ); document.write( "Base II 25 ------ 30 - x L \n" ); document.write( "Mixture 18.00% ---------------- 30 \n" ); document.write( " \n" ); document.write( "15 x + 25 ( 30 - x ) = 18 * 30 \n" ); document.write( " \n" ); document.write( "15 x + 750 - 25 x = 540 \n" ); document.write( "15 x - 25 x = 540 - 750 \n" ); document.write( "-10 x = -210 \n" ); document.write( "/ -10 \n" ); document.write( " x = 21 L 15.00% Base I \n" ); document.write( " 9 L 25.00% Base II \n" ); document.write( " \n" ); document.write( "m.ananth@hotmail.ca \n" ); document.write( " \n" ); document.write( " |