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Mathematics, 22.08.2019 16:30 caitybugking
In a fish tank, there are some goldfish and 5 angelfish .the ratio of the total mass of the angelfish to the total masd of the goldfish is 2 : 7 . the total mass of the goldfish is 1.4kg. find the average mass of one angelfish.
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In a fish tank, there are some goldfish and 5 angelfish .the ratio of the total mass of the angelfis...
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