# If x is 80% of y, what percent of y is x?

If x is 80% of y, what percent of y is x?
[A]75%
[B]125%
[C]80%
[D]100%

125%
According to question,
$y = \frac{100\times 100}{80} of x$
$\therefore y = 125\% of x$
Hence option [B] is the correct answer.