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Mathematics 8 Online
OpenStudy (anonymous):

How much pure water must be mixed with 10 liters of a 25% acid solution to reduce it to a 10% acid solution? 11 L 15 L 25 L

terenzreignz (terenzreignz):

You don't mind a little algebra, do you? :)

terenzreignz (terenzreignz):

Let's draw something... But first, you should be used to treating percentages as what they really are: Fractions. Or decimals. 25% is just 0.25 10% is just 0.10 or 0.1

terenzreignz (terenzreignz):

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