In the expression xy2, the values of both variables x and y are decreased by 20%. By this, the value of the expression is decreased by

In the expression xy2, the values of both variables x and y are decrea

1.	In the expression xy2, the values of both variables x and y are decreased by 20%. By this, the value of the expression is decreased by
A.	40%
B.	80%
C.	48.8%
D.	51.2%
Answer» D. 51.2%

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In the expression xy2, the values of both variables x and y are decreased by 20%. By this, the value of the expression is decreased by

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