document.write( "Question 899293: How many liters of a 5% solution of salt should be added to a 19% solution in order to obtain 616 liters of a 15% solution? \n" ); document.write( "
Algebra.Com's Answer #545516 by richwmiller(17219)![]() ![]() You can put this solution on YOUR website! a+b=616, \n" ); document.write( "0.05*a+0.19*b=0.15*616 \n" ); document.write( "a=616-b \n" ); document.write( "0.05*(616-b)+0.19*b=92.4 \n" ); document.write( "30.8-0.05b+0.19*b=92.4 \n" ); document.write( "0.14*b=61.6 \n" ); document.write( "b=440 \n" ); document.write( "a=616-b \n" ); document.write( "a=176 b=440 \n" ); document.write( "check \n" ); document.write( "0.05*176+0.19*440=0.15*616 \n" ); document.write( "8.8+83.6=92.4 \n" ); document.write( "92.4=92.4 \n" ); document.write( "ok \n" ); document.write( " \n" ); document.write( " |