document.write( "Question 770910: A scientist has two solutions, which she has labeled Solution A and Solution B. Each contains salt. She knows that Solution A is 65% salt and Solution B is 85% salt. She wants to obtain 120 ounces of a mixture that is 80% salt. How many ounces of each solution should she use? \n" ); document.write( "
Algebra.Com's Answer #469848 by josgarithmetic(39618)![]() ![]() ![]() You can put this solution on YOUR website! Wow! 65% salt solution! \n" ); document.write( "What kind of salt? Which solvent? \n" ); document.write( "Sodium Chloride in water can go to about 24% maximum, and is less soluble in any other solvents.\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "We can still play with the algebra.\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "Assign variables. \n" ); document.write( "H = percent, high concentration salt solution \n" ); document.write( "L = percent, low concentration salt solution \n" ); document.write( "T = percent solution concentration wanted as target \n" ); document.write( "u = amount of L to use \n" ); document.write( "v = amount of H to use \n" ); document.write( "M = amount of resulting mixture\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "Equations for the mixture. \n" ); document.write( " \n" ); document.write( "The unknown variables would be u and v. Solve for u and v. \n" ); document.write( " |