Solve the exponential equation. express the solution set in terms of natural logarithms 5^×+7=2

Sum is 17 and their difference is 3

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.

What is the volume of this container?