An elevator starts on the 100th floor of an building. it descends 4 floors every 10 seconds. at what floor will the elevator be at within 60 seconds?

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.