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18-10-2020
Mathematics

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An alloy is composed of nickel, zinc, and copper in a 5:4:8 ratio. How many kilograms of each metal are needed to make 3.4 kg of this alloy?

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Аноним Аноним

18-10-2020

Answer:

5x+4x+8x=3.4

17x=3.4

x=0.2

Nickel 1 kg

Zinc 0.8 kg

Copper 1.6 kg

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