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Mathematics, 03.07.2019 10:30 nscarlisleh13
Aperfume is to be mixed in the ratio of 3 drops of pure essence to 7 drops of alcohol. how many drops of pure essence should be mixed with 56 drops of alcohol?
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Aperfume is to be mixed in the ratio of 3 drops of pure essence to 7 drops of alcohol. how many drop...
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