Quiz, April 2, 2004

1 and 1/2 pounds of saffron are worth 2 and 1/3 ducats. How much would 2 and 1/2 pounds be worth. Express your answer in ducats and fractions of a ducat. Use the "rule of 3," as explained in the Treviso Arithmetic, to explain your solution. Stay as close to the Treviso methods as you can.
What did Newton mean by fluxion?