The discount is 40 and the sale price is 160.
18010% off of $200= 10% discount applied to $200= $200 - (10% * $200)= $200 - (0.10 * $200)= $200 - 20= 180
20% discount is one fifth off.
$200 - 20% = $160
5.60
109.6
10% of $200= $20 $200-$20=$180
The amount after the discount is $159.99
$11.20
The amount after the discount is 15.80
The amount after the discount is 208.
The amount after the discount is 135.20
(100-20)/100=160/p80p=16000p=200