Describe how to solve problems for the area of a reduced or enlarged figure when the scale factor and dimensions of the original figure are given. i wll give a brainliest out if it is correct plz hurry im on a quiz 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.