1. Parents $11.00 Kids $5.50

2. $400

3. 20.

4. Fred is 4 years old, Bill is 12 years old, Charlie is 6 years old

5. 9 ways

6. 2 got both, 15 got nothing

7. 73 mistakes

8. -40 degrees C = -40 degrees F

9. 30

10. 12 posts