betty and sally are 28 miles apart on a path when they start moving towards each other. betty runs at a constant speed of 6 miles per hour, and sally walks at a constant speed of 2 miles per hour. how long does it take until they meet

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.