Answer:
$160
Explanation:
Nick bought a pair of glasses for $200.
Now, the same glasses advertised for 20% less than what he originally paid.
Since the original price is $200.
So, 20% of original price :


Since we are given that the discounted price of the glasses is 20% less than what he originally paid.
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Thus the discounted price is $160
Hence the price being the glasses advertised is $160