prologue
act one
- 1. What will be the percent tint with both sunglasses?
- 2. Write a guess.
- 3. Write a guess you know is too high.
- 4. Write a guess you know is too low.
act three
sequel
- 5. Can you reach 100% tint this way? How many 50% tint sunglasses would you have to wear?.
- 6. How many 5% tint sunglasses would you have to wear to reach 60% tint?.