If decreasing 120 by x% gives the same result as increasing 40 by x%, then x% of 210 is how much percent less than (x + 20)% of 180?

If decreasing 120 by x% gives the same result as increasing 40 by x%,

1.	If decreasing 120 by x% gives the same result as increasing 40 by x%, then x% of 210 is how much percent less than (x + 20)% of 180?
A.	18
B.	\(33\frac{1}{3}\)
C.	20
D.	\(16\frac{2}{3}\)
Answer» E.

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If decreasing 120 by x% gives the same result as increasing 40 by x%, then x% of 210 is how much percent less than (x + 20)% of 180?

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