document.write( "Question 778374: how many liters of the 30% acid solution should be added to 40 liters of 10% solution to get a 25% solution? (please state the meaning of any variables you use, set up an algebraic equation, and use it to solve the problem) \n" ); document.write( "
Algebra.Com's Answer #474695 by lwsshak3(11628)![]() ![]() ![]() You can put this solution on YOUR website! how many liters of the 30% acid solution should be added to 40 liters of 10% solution to get a 25% solution? (please state the meaning of any variables you use, set up an algebraic equation, and use it to solve the problem) \n" ); document.write( "*** \n" ); document.write( "let x=amount of the 30% acid solution should be added to 40 liters of 10% solution \n" ); document.write( "amount of final 25% solution=(40+x) \n" ); document.write( "sum of acid in the two solutions=amt of acid in final solution \n" ); document.write( "30%x+10%40=25%(40+x) \n" ); document.write( ".30x+4=10+.25x \n" ); document.write( ".05x=6 \n" ); document.write( "x=120 \n" ); document.write( "amount of the 30% acid solution should be added to 40 liters of 10% solution=120 liters \n" ); document.write( " |