Mathematics, 09.10.2021 21:20 dhcuajbfrhcyx

A U. S. nickel is composed of 3.9 grams of copper and only 1.2 grams of nickel. How many kilograms of copper must be combined with 4 kilograms of nickel in the manufacture of nickel coins?

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A U. S. nickel is composed of 3.9 grams of copper and only 1.2 grams of nickel. How many kilograms o...

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