1.

Q: If the length of a rectangle is increased by 10% and the area is unchanged, then how much percent does the breadth decrease?

A. $$ {100\over 11}{\%}$$
B. $$ {100\over 9}{\%}$$
C. 0.09
D. 0.1
Answer» B. $$ {100\over 9}{\%}$$


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