document.write( "Question 488313: how many pounds of water must be evaporated from 50lbs of a 3% salt solution so that the remaining solution will be a 5% salt? \n" ); document.write( "
Algebra.Com's Answer #333349 by stanbon(75887)![]() ![]() ![]() You can put this solution on YOUR website! how many pounds of water must be evaporated from 50lbs of a 3% salt solution so that the remaining solution will be a 5% salt? \n" ); document.write( "---- \n" ); document.write( "Equation: \n" ); document.write( "water - water = water \n" ); document.write( "0.97*50 - x = 0.95(50-x) \n" ); document.write( "--- \n" ); document.write( "Multiply thru by 100 to get: \n" ); document.write( "97*50 - 100x = 95*50-95x \n" ); document.write( "--- \n" ); document.write( "2*50 = 5x \n" ); document.write( "x = 20 lbs (amt. of water to evaporate) \n" ); document.write( "============== \n" ); document.write( "Cheers, \n" ); document.write( "Stan H. \n" ); document.write( " |