Save & Exit Certify Lesson: 11.5 Applications: Interest and Mix... ©/8 Correct Question 1 of 8, Step 1 of 1 $12,800 is invested, part at 8 % and the rest at 3 %. If the interest earned from the amount invested at 8 % exceeds at 3% by $557.00, how much is invested at each rate? (Round to two decimal places if necessary.) Define variables X and Y and set up a system of two linear equations that represents the information given in the proble​