Answer
58% gold = mass of jewelry
58% gold / mass of jewelry and mass of jewelry / 58% gold
simply put we can say:
58 g gold / 100 g of jewelry and 100g of jewelry / 58 g gold
Work Step by Step
58% gold per mass of jewelry
You can help us out by revising, improving and updating this answer.
Update this answerAfter you claim an answer you’ll have 24 hours to send in a draft. An editor will review the submission and either publish your submission or provide feedback.