A towel, when bleached, lost 30% of its length and 40% of its breadth. What is the percentage decrease in area?  Answers: A) 24% B) 30 % C) 44% D) 58% E) 64%
percentage change in area   =(−30−40+(30×40)/100)%=−58%   i.e., area is decreased by 58%   ANSWER:58%
<result>D</result>
A towel, when bleached, lost 30% of its length and 40% of its breadth. What is the percentage decrease in area?