Answer:
27.55
Step-by-step explanation:
The mean of a set of numbers is the sum divided by the number of terms.
So 49.7 + 15.8 + 22.7 + 15.1 + 32.2 + 39.1 +27.7 + 18.1 = 220.4
220.4 / 8 = 27.55
B
36
With no parenthesis
12 dollars is discounted off, making the price 28 dollars.
10 percent is 4$, 4×3=12
