complete the senetence the length of a segment from a vertex to the centroid is the length of the median from that vertex. Would it be 1/3 or 1/2

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.