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50% off of 400 dollars is 200 dollars
30% off of 400 dollars = 70% of 400 dollars = 400*70/100 = 280 dollars
60 dollars off.
$400 - 30% = 400 x (1 - (30/100)) = 400 x 0.7 = 280 dollars.
It will be 160 dollars
240 dollars
10% x 400 = 40 400-40= $360
40 dollars
17 dollars.
70% of 17.50 taken off of it leaves 5.25 as the total.
400/100 is 4, x 12 is 48. 12% off means 400-48 which is 352
25 percent of 18 dollars is 18*25/100 = 4.50 dollars So 25% off of 18 dollars is 13.50 dollars