Correct Answer: 22.35
Explanation:
3 5 + 125 = 17 . 88 ⇒ 3 5 + 5 5 = 17 . 88
⇒ 5 = 2 . 235
∴ 80 + 6 5 = 4 5 + 6 5 = 10 5 = 10 × 2 . 235 = 22 . 35