the layer of gold coating on a ring should be 0.03 millimeters when the ring is completed. a coating of 0.021 millimeters has already been applied. how many more millimeters of gold coating must be added to finish the ring?

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The layer of gold coating on a ring should be 0.03 millimeters thick when the ring is completed. A coating of 0.021 millimeters had already been applied. 0.009 millimeters of gold coating must be added to finish the ring. 0.03 - 0.021 = 0.009 mm.

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Asked 88 days ago|9/11/2023 5:15:08 PM

Updated 66 days ago|10/3/2023 5:22:30 PM

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