Tyson saved 500 dollars for a week-long vacation. he did not keep close track of how much he spent the first three days. on the fourth day, he had 225 dollars. write an equation to represent the amount he spent in the first three days.

Amanda went into the grocery business starting with five stores. after one year, she opened two more stores. after two years, she opened two more stores than the previous year. if amanda expands her grocery business following the same pattern, which of the following graphs represents the number of stores she will own over time?