buttercupzxz22 buttercupzxz22 13-09-2022 Mathematics contestada Solve the problem. Suppose a necklace is made from 18-karat gold and weighs 54 grams. Find the weight, in grams, of the pure gold in the necklace. Select one: A. 54 grams B. 40.5 grams C. 6 grams D. 18 grams