Marisa is keeping track of how many miles she runs. After her run on July 12, she had run a total of 7 miles. If she runs 3 miles each day after that, what is the total number of miles she will run after her run on july 18?

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.