Answer:
Im too lazy to put here
Explanation:
10% off --> 90% the actual cost
25 x 90% = 22.50
$22.50
20% off --> 80% the actual cost
25 x 80% = 20.00
$20.00
30% off --> 70% the actual cost
25 x 70% = 17.50
$17.50
40% off --> 60% the actual cost
25 x 60% = 15.00
$15.00
50% off --> 50% the actual cost
25 x 50% = 12.50
$12.50