Point A is at (-7, 5) and point c is at (5, -1) Find the coordinates of point B on AC such that AB is 5 times as long as BC

Sandy is upgrading her internet service. fast internet charges $20 for installation and $52.45 per month. quick internet has free installation but charges $57.45 per month. part 1 out of 2 complete the equation that can be used to find the number of months after which the internet service would cost the same. use the variable x to represent the number of months of internet service purchased.