A number is increased by 18%. To obtain the old number, by how much percentage should it be decreased?

A number is increased by 18%. To obtain the old number, by how much pe

1.	A number is increased by 18%. To obtain the old number, by how much percentage should it be decreased?
A.	16.88
B.	15.25
C.	17.3
D.	14.28
Answer» C. 17.3

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A number is increased by 18%. To obtain the old number, by how much percentage should it be decreased?

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