1. Invitations were sent to 100 relatives for a family get-together. Only 90 relatives came. How many relatives did not come?   2.  There are five members in Bill's family. Their total weight is 342 kg. His own weight is 34 kg. How many kilograms do the other four members weigh?   3. Mr. Lee will be 64 next year. His son is 33 years younger than him. How many years old is his son at present?   4. A family party has 96 adults, 24 boys, and 13 girls. How many more adults are there at the party than children?   5. For Christmas, Mr. Simon gave $81 to his two sons. He gave $58 to the elder son. How many dollars did he give the younger son?