Delaney puts x dollars into an investment with an interest rate of 3 percent per year and y' dollars into an investment with an interest rate of 11 percent per year. She invests a total of $5500, and her interest earnings after one year are $253. From this information, we can create two equations: one for the total investment and one for the interest earned. The equation that describes the total investment is The equation that describes the interest earned is