You work for a carpet company. You sell carpets at these prices: 100 square feet for $67,200 square feet for $130,400 square feet for $240, and 800 square feet for $504. What is the approximate percentage difference of the two best carpet deals according to their unit costs?

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.