How much is 2% of $3.50?
A. $0.07
B. $0.18
C. $0.70
D. $1.75

Can someone check my answer? you : )

How do i do this? i don’t understand

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