Jared is playing a game on a grid that is made up of 25 equally sized squares. Some of the squares are shaded. If the probability of picking a point at random in one of the shaded squares is exactly 0.16, how many of the squares are shaded? A. 2
B. 4
C. 16
D. 21

Please help

Kayla made observations about the sellin price of a new brand of coffee that sold in the three different sized bags she recorded those observations in the following table 6 is $2.10 8 is $2.80 and 16 is to $5.60 use the relationship to predict the cost of a 20oz bag of coffee.