document.write( "Question 367499: saline (saltwater)solutions are often used for sore throats. a nurse has a saline solution that is 34% salt and the rest water. she also has a 61% saline solution. she wants to use a 50% solution with a particulas patient without wastin the existin solutions. hwo manyu milliliters (mL)of each solution would be needed in order to obtain 120mL of a mixture that is 50% salt? \n" ); document.write( "
Algebra.Com's Answer #261978 by robertb(5830)![]() ![]() You can put this solution on YOUR website! 0.34x + 0.61(120-x) = 0.50*120, \n" ); document.write( "0.34x + 73.2-0.61x = 60, \n" ); document.write( "-0.27x = -13.2, \n" ); document.write( "x = 48.89 ml of the 34% saline solution, and \n" ); document.write( "120-x = 71.11 ml of the 61% saline solution. \n" ); document.write( " |