document.write( "Question 460253: How much water must be evaporated from 20 gallons of a 10% salt solution in order to obtain a 20% salt solution? \n" ); document.write( "
Algebra.Com's Answer #315707 by checkley79(3341)![]() ![]() ![]() You can put this solution on YOUR website! .10*20=2 gallons of salt. \n" ); document.write( "That leaves 18 gallons of water. \n" ); document.write( ".2x=2 \n" ); document.write( "x=2/.2 \n" ); document.write( "x=10 gallons after evaporation. \n" ); document.write( "18-10=8 gallons have to be evaporated to have a 20% salt solution. \n" ); document.write( " |