these are the proper hallmarks
24 Karat Gold - 24K or 999
22 Karat Gold - 22K or 917
21 Karat Gold - 21K or 875
18 Karat Gold - 18K or 750
14 Karat Gold - 14K or 585
10 Karat Gold - 10K or 417
9 Karat Gold - 9K or 375
14 Karat Gold filled - 14K GF or 14K/20
Sterling Silver - 925
Pure Silver - 999
the ratio is A/24=B
for example 10/24=0.417
therefor 10K=417
0.2% of 975 = 0.2% * 975 = 0.002 * 975 = 1.95
36% of 975= 36% * 975= 0.36 * 975= 351
Half of 975 is 487.5. This is calculated by dividing 975 by 2.
.975 is 975/1000 as a fraction or 39/40 when simplified.
The answer is:41925. (40 X 975) + (3 X 975)= 41925.
975
975 denotes the purity of the metal used. 975 parts per thousand. The rest, 25 parts per 1000 are alloys.
.975 note period decimal place would be 97.5 % pure gold. you know maybe the Commies were right!
0.2% of 975 = 0.2% * 975 = 0.002 * 975 = 1.95
No such thing as 975 for gold. Nearest matches for that number would be: 925 = Sterling silver 875 = 21ct/k gold (very rare, usually Arab countries do 21ct). You could have misread it, hallmarks are very small so its an easy mistake to make.
If you mean 975 divided by 25 then it can be done by short division or long division and the quotient is 39
36% of 975= 36% * 975= 0.36 * 975= 351
A hallmark of 975 on gold indicates that the gold is 97.5% pure gold, also known as 23.5 karat gold. This level of purity is commonly used in high-end jewelry and is considered a premium quality. The hallmark serves as a guarantee of the gold's purity and authenticity.
Sterling silver
3% of $975 = 3% * 975 = 0.03 * 975 = $29.25
Multiples of 975, like 975, 1950, 2925 and so on.
That indicates the purity of the metal. Coins and gold bars are usually 999,9 out of 1000. In this case, the item contains 325 out of 1000 parts of pure (gold). In jewelry, the rest is usually filled with fine gold and gold mixed with other fine metals. Sterling silver has a purity of 975 out of 1000.