The answer is fine, but I'd really appreciate an explanation. I've been missing these for a while. I can only answer in decimals to the hundredth.
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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

Susie wants to take her friend out for lunch.she wants to spend $9.75 each person. how much will she spend in all.

Mrs.sling bought a pound of green beans for $1.80. how much will mrs.tennison pay for 3 1/2 pounds of green beans?