1. (a) 1 in 6 or 5 to 1 ; (b) 1 in 36 or 35 to 1; (c) 1 in 9 or 8 to 1
2. c. The blue area is larger than the green area
3. a. 8, 13 ; b. U, N (Uranus, Neptune)
4. a. 1 in 6 or 5:1 b. zero chance
5. 2 hours
6. 9 pm
7. Charlie guessed right with 29
8. 4 ducks
9. $470
10. Sam is 40 and his son is 12