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pentagon [3]
2 years ago
11

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

Mathematics
1 answer:
garri49 [273]2 years ago
7 0
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
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