Which of the following terms can be combined in this expression? 13 minus StartFraction x over 5 EndFraction
+ 6.2 y + 20.5 x minus StartFraction 3 over 8 EndFraction y

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.