Mathematics, 15.12.2020 23:10 foreverandalways80

The ratio of copper to zinc in a certain alloy is 3 to 2. If 30 grams of copper are used, how many grams of zinc are needed to make this alloy?

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The ratio of copper to zinc in a certain alloy is 3 to 2. If 30 grams of copper are used, how many g...

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