1. Invitations were sent to 94 relatives for a family get-together. Only 90 relatives came. How many relatives did not come?   2. Paul weighs 24 kg. His mother is 64 kg. How much more is his mother's weight (in kg)?   3. Mr. Stewart will be 38 next year. His son is 27 years younger than him. How many years old is his son at present?   4. A family party has 35 adults, 8 boys, and 13 girls. How many more adults are there at the party than children?   5. Graham is 16 years old. His aunt is 46. How many years older than him is his aunt?