----- Nội dung dịch tự động từ ảnh ----- d) A one pence coin weighs 3.56g and a two pence piece 7.12g. Selma has a jar of coins. She knows that an empty jar weighs 210g. What will be the weight of a jar containing £3 worth of 1p and 2p coins? Give your answer in kilograms. kg
