X Your answer is incorrect. If Helen Martin invests $5,137.44 now and she will receive $17,600 at the end of 16 years, what annual rate of interest will Helen earn on her investment? (Hint: Use Table 3.) (Round answer to 0 decimal places, e.g. 25%.) Click here to view the factor table. (For calculation purposes, use 5 decimal places as displayed in the factor table provided.) Annual rate of interest 8.08 % eTextbook and Media Save for Later Attempts: 2 of 5 used Submit