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Mathematics, 14.06.2021 22:50 Felici6086
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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