1. Invitations were sent to 113 relatives for a family get-together. Only 85 relatives came. How many relatives did not come?   2.  There are five members in Robert's family. Their total weight is 291 kg. His own weight is 40 kg. How many kilograms do the other four members weigh?   3. Mr. Smith will be 74 next year. His son is 35 years younger than him. How many years old is his son at present?   4. A family party has 112 adults, 15 boys, and 27 girls. How many more adults are there at the party than children?   5. For Christmas, Mr. Brown gave $124 to his two sons. He gave $86 to the elder son. How many dollars did he give the younger son?