Rearrange the given equation in slope intercept form

slope of the required line is

equation is given by
The correct answer is y=1/2x+1
Well to find this answer, you want to divide $1.39 by 67.6. When you do this you get 0.0205. This is roughly 2 cents per ounce.
Well 40 times 6 is 240 which means that you don't have to round.