How many gallons of pure alcohol should be added to 63 gallons of a 32% solution to make it 37% alcohol?
Follow Math Help Forum on Facebook and Google+
Originally Posted by outlandish How many gallons of pure alcohol should be added to 63 gallons of a 32% solution to make it 37% alcohol? 63 gallons of 32% alcohol solution contains 63*0.32=20.16 gallons. Add x gallons of pure alcohol, then the concentration is (x+20.16)/(63+x)=0.37. Now solve for x. RonL
View Tag Cloud