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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
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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?

User Fabian Parra
by
7.5k points

2 Answers

6 votes

0.009millimeters is correct answer


Explanation:


User BTMPL
by
8.0k points
2 votes
0.03-0.021 = 0.009mm more coating needed
User Bugbeeb
by
7.9k points
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