Question 7Minh is 4 kg heavier than Lâm. Nam is 3 kg heavier than Lâm. Between Minh and Nam, who is heavier, and by how many kilograms? Minh is 7 kg heavier than Nam.Nam is 1 kg heavier than Minh.Nam is 3 kg heavier than Minh.Minh is 1 kg heavier than Nam.Minh weighs 4 kg.