Question
State the fraction of gold present in an 18-carat gold piece.
Answer
Pure gold is 24 carats. So, 18 carat means 18 parts gold and 6 parts other elements. Hence, fraction of gold present in 18 carats = 18/24 = 3/4.
State the fraction of gold present in an 18-carat gold piece.
Pure gold is 24 carats. So, 18 carat means 18 parts gold and 6 parts other elements. Hence, fraction of gold present in 18 carats = 18/24 = 3/4.