A towel, when bleached, lost 30% of its length and 40% of its breadth. What is the percentage decrease in area? Choose the correct choice from the following answers: A) 24 % B) 30 % C) 44 % D) 58 % E) 64 %

Rationale: "percentage change in area = ( − 30 − 40 + ( 30 × 40 ) / 100 ) % = − 58 % i . e . , area is decreased by 58 % answer : d"
Answer: D