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September 22, 2014

September 22, 2014

Posted by **Trisan** on Sunday, October 18, 2009 at 6:54pm.

- Algebra 2 -
**Vipster**, Sunday, October 18, 2009 at 7:28pm8 litres of 40% acid

3.2 litres acid and 4.8 litres of water

lets say you add x litres

3.2 / (8+ x) = 10%

3.2 = 0.8 + 0.1x

x = 24 litres of water needs to be added

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