1. Invitations were sent to 97 relatives for a family get-together. Only 75 relatives came. How many relatives did not come?   2.  There are five members in Arthur's family. Their total weight is 359 kg. His own weight is 41 kg. How many kilograms do the other four members weigh?   3. Mr. Lee will be 68 next year. His son is 35 years younger than him. How many years old is his son at present?   4. A family party has 74 adults, 15 boys, and 27 girls. How many more adults are there at the party than children?   5. For Christmas, Mr. Young gave $95 to his two sons. He gave $64 to the elder son. How many dollars did he give the younger son?