Question

state the fraction of gold present in an 18 carat gold piece

Answer 1

Answer:

75%

Explanation:

The fraction would be 75% or 75/100. Gold is typically measured in parts per 1000 so sometimes you might see this marked as 750 which indicates 750 parts per 1000 or 75%

also ,

Pure gold is 24 carat, so 18 carat would be 18/24, or 3/4.

=75%