A. 66.66%
B. 65.66%
C. 63.66%
D. 61.68%
🧠 Explanation (Math):
Given: A’s income is 40% less than B’s; find how much percent B’s is more than A’s Step 1: Express A in terms of B ⇒ A = 0.6B Step 2: Difference = B − A = B − 0.6B = 0.4B Step 3: Percent more of B over A = (B − A)/A × 100 = 0.4B/0.6B × 100 Step 4: Simplify ratio 0.4/0.6 = 2/3 ⇒ (2/3) × 100 = 66.66…% Final Answer: 66.66%