20% is 5 dollars
so you would have 20 dollars
If you reduce $20 by 25%, you end up with $15
25 percent off of 36 dollars would be 9 dollars off.
80% of $25 is $20, so 80% off would be $5.
5 dollars.
20 dollars
5 dollars.
25 percent of 18 dollars is 18*25/100 = 4.50 dollars So 25% off of 18 dollars is 13.50 dollars
$5.00
Subtracting 25 percent from 25 dollars gives 25 x (1 - (25/100)) = $18.75
9 dollars.
12 dollars
25% off of $364 is about $273