28.4k views
4 votes
How much water be added to 3 gallons of pure alcohol in order to obtain a solution that is 15% alcohol?

1 Answer

2 votes
3=0.15*(3 + x)

3=0.45 + 0.15x

2.55=0.15x

2.55/0.15=x or 17 gallons of water added=x
User Gnganapath
by
5.1k points