A towel, when bleached, lost 30% of its length and 15% of its breadth. What is the percentage decrease in area?	Choose one:
A) 24 %	B) 40.5 %	C) 44 %	D) 54 %	E) 64 %

Rationale: "percentage change in area = ( − 30 − 15 + ( 30 × 15 ) / 100 ) % = − 40.5 % i . e . , area is decreased by 40.5 % answer : b"
Answer: B