document.write( "Question 104932: A chemist needs to mix a 75% saltwater solution with a 50% saltwater solution to obtain 10 gallons of a 60% saltwater solution. How many gallons of each solution must be used? \n" ); document.write( "
Algebra.Com's Answer #76372 by checkley75(3666)![]() ![]() ![]() You can put this solution on YOUR website! .75x+.5(10-x)=.6*10 \n" ); document.write( ".75x+5-.5x=6 \n" ); document.write( ".25x=6-5 \n" ); document.write( ".25x=1 \n" ); document.write( "x=1/.25 \n" ); document.write( "x=4 gallons of 60% solution. \n" ); document.write( "10-4=6 gallons of 50% solution. \n" ); document.write( "proof \n" ); document.write( ".75*4+.5*6=6 \n" ); document.write( "3+3=6 \n" ); document.write( "6=6 \n" ); document.write( " |