MATH SOLVE

4 months ago

Q:
# How many ounces of pure gold are in an 18 karat gold chain that weighs 2.8 ounces?

Accepted Solution

A:

18 karat gold contains 75% gold, and 25% other metals in the alloy. 75% of 2.8 ounces yields a gold content of 2.1 ounces. Multiplying .75 times 2.8 will yield the correct result.