Mathematics, 19.05.2020 13:05, potatoismeh1

An alloy is composed of nickel, zinc, and copper in a ratio of 7:2:9. How many kilograms of each metal are needed to make 3.6 kg of this alloy?

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An alloy is composed of nickel, zinc, and copper in a ratio of 7:2:9. How many kilograms of each met...