When 5 + 6 = 305, 6 + 7 = 425, 7 + 8 = 565, then 8 + 9 = ?	Choose the correct choice from the following:
A) 705  B) 735  C) 685  D) 665  E) 725

Rationale: 5 + 6 = > 5 ã — 6 = 30 = > 30 ã — 10 + 5 = 305 6 + 7 = > 6 ã — 7 = 42 = > 42 ã — 10 + 5 = 425 7 + 8 = > 7 ã — 8 = 56 = > 56 ã — 10 + 5 = 565 then 8 + 9 = > 8 ã — 9 = 72 = > 72 ã — 10 + 5 = 725 answer : e
Answer: E