6 The layer of gold coating on a ring should be 0 03

Last updated: 9/5/2023

6 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 OA 0 009 millimeters OB 0 18 millimeters OC 0 09 millimeters O D 0 018 millimeters