Jackie is knitting a scarf with her grandmother. Yesterday, her grandmother used 2/3 of a skein of wool and Jackie used 1/3 of a skein. How much more wool did Jackie's grandmother use than Jackie? Write your answer as a fraction or as a whole or mixed number.

The administrator of a large assisted living facility wanted to know the average age of the residents living at the facility. he randomly selected 12 residents and determined their age, listed here: 80, 65, 75, 83, 68, 73, 88, 79, 94, 72, 79, 68 what's the average age of the sample of residents? a. 79 years old b. 68 years old c. 75 years old d. 77 years old