a towel, when bleached, was found to have lost 20% of its length and 10% of it

Question

a towel, when bleached, was found to have lost 20% of its length and 10% of its breadth. the percentage of decrease in area is ?

Options:

A . 24%

B . 27%

C . 28%

D . 31%

Answer: Option C
Explanation :

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