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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 has already been applied. How many more millimeters of gold coating
must be added to finish the ring? A. 0.18 millimeters B. 0.018 millimeters C. 0.09 millimeters D. 0.009 millimeters
D. 0.009 millimeters should be added. 0.021 + 0.009 = 0.03
Expert answered|patmarone|Points 2191|
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Asked 11/20/2011 8:15:25 AM
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