You have been given the task of creating a mold to fit a sculpture
that will hold 48 ounces of sterling silver. Your mold, however, is set up
to work in kilograms. Before creating the mold, you have to understand the
Lou Walsh, a jewelry maker, makes his own molds.
"Silver and gold have specific gravities and weights," he says. These weights
have to be taken into consideration before creating the mold.
the sculpture with wax. Then you have to convert your calculation to meet
the density of silver or gold.
The sculpture is to use 48 ounces of
silver. How many kilograms is that?
= 454 grams
1 pound = 16 ounces
1 kilogram = 1,000
see the solution?