Answer:
I think the original price of the pants is $20.63
Explanation:
25% of 16.50 is 4.125
4.125 + 16.50 = 20.625
20.625 - 4.125 = 16.50 (the price after the discount is subtracted from it)
round 20.625 to the nearest cent and you get 20.63.
Hope this helps!