Joe deposit $4000 into an account that pays simple interest to rate of 2% per year how much interest would be paid in the first three years

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.