1. Invitations were sent to 70 relatives for a family get-together. Only 59 relatives came. How many relatives did not come?   2.  There are five members in Peter's family. Their total weight is 348 kg. His own weight is 47 kg. How many kilograms do the other four members weigh?   3. Mr. Brown will be 66 next year. His son is 26 years younger than him. How many years old is his son at present?   4. A family party has 106 adults, 17 boys, and 12 girls. How many more adults are there at the party than children?   5. For Christmas, Mr. Anderson gave $89 to his two sons. He gave $62 to the elder son. How many dollars did he give the younger son?