It means the silver is 92% pure, i.e. 92% silver and 8% other metals.
that it is 22kt gold
If you mean 9/20 as a decimal then it is 0.45
22 carat gold
80% of 920 = 80% * 920 = 0.8 * 920 = 736
10 percent of 920 = 92 10% of 920 = 10% * 920 = 10%/100% * 920 = 92
920
920
If you mean number its 920-928-3717
920
920
Contusion to the face, eye, neck, or head.
920 = CMXX