by Dan Meyer

• 1. If you'd like the most pizza, which coupon should you use?

• image — the pizza doubler coupons

• 2. What information would be useful to know here?
• 3. Can you prove your answer is correct?

• image — dimensions of the whole pizza

• 4. Would the best coupon for the slice above work for all slices or just some slices? Tell me under what circumstances I should use one coupon or the other.