Density word problems

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Problem

Casandra finds a treasure chest packed with metallic coins. The chest has a volume of 0, point, 25, space, m, start superscript, 3, end superscript. The coins have a combined mass of 4825, space, k, g. Hoping to find gold, she calculates the density to determine the metal of the coins.
What kind of metal are the coins made of?
Please choose from one of the following options.