Shauna increased the amount of water she drinks every day from 48 ounces to 54 ounces. By what percentage did Shauna increase the amount of water that she drinks?

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?