document.write( "Question 585618: How many gallons of a 10% salt solution must be mixed with 12 gallons of a 15% salt solution to obtain a 12% salt solution? \n" ); document.write( "
Algebra.Com's Answer #373432 by mananth(16946)![]() ![]() You can put this solution on YOUR website! -------------- percent ---------------- Amount \n" ); document.write( "Salt solution I 15 ---------------- 12 gallons \n" ); document.write( "salt solution II 10 ----------------x gallons \n" ); document.write( "Total 12 ---------------- 12 + x gallons \n" ); document.write( " \n" ); document.write( "15*12+10x=12(12 +x) \n" ); document.write( "180+10x =144+12 x \n" ); document.write( "10x-12x =-180+144 \n" ); document.write( "-2x =-36 \n" ); document.write( "/ -2 \n" ); document.write( "x = 18 of gallons salt solution II \n" ); document.write( " 18 of gallons Salt solution I \n" ); document.write( "m.ananth@hotmail.ca \n" ); document.write( " \n" ); document.write( " \n" ); document.write( " |