The line represented by 2y=x+8 is dilated by a scale factor of k centered at the origin, such that the image of the line has an equation of y-1/2x=2. what is the scale factor?

Astrid spent $36 on new shoes. this was $12 less than twice what she spent on a new skirt. part a: which equation would solve for how much she spent on the skirt? part b: solve the equation in the workspace provided below. how much did astrid spend on her skirt?