Mathematics, 14.09.2021 08:30 nails4life324

The ratio of copper to zinc in a certain alloy is 5 to 4. If 50 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 5 to 4. If 50 grams of copper are used, how many g...