February Solutions Remember: These are open-ended problems. There could be other solutions than the ones we are giving. Number Theory 1. 7 times 2. Cartoons for 1 1/2 hours = 90 minutes 3. 189 tadpoles 4. Chocolate = 105 pounds; Sugar = 210 pounds; Butter = 147 pounds 5. Derrick = .05 + .36 +.32 = .73 gallon Ron = .05 + .45 = .5 gallon Measurement 6. About 33 years. Accept 33 or34. 7. You know that 40 square feet are covered by 1 pound. You have 5000 square feet, so you need 125 pounds of seed. 8. 47 sections, 1 gate, 46 posts. Geometry 9. 5 diagonals; 6 diagonals 10. Many possible answers. 11. Patterns, Algebra, And Functions 12. 16 cars; 46 times 13. Day 9 14. Triangle = 4; Rectangle = 5; Circle = 3 Data, Statistics, And Probability 15. Many possibilities. 16. 75% or 9/12. Gone up. Now it is 2/8, which equals 1/4. 17. 57-1: Chuck; 45,000 gallons 57-2: Jim; 60,000 gallons 57-3: Greg; 56, 250 gallons 57-4: Vanessa; 45,000 gallons 57-5: Darren; 78, 750 gallons HOW DID YOU DO?   February Problems Back to Open-Ended Math Index