Rounded to the nearest cent, 43.85 - 18% = 43.85 x (1 - (18/100)) = 43.85 x 0.82 = $35.96.
40 dollars
17 dollars.
70% of 17.50 taken off of it leaves 5.25 as the total.
25 percent of 18 dollars is 18*25/100 = 4.50 dollars So 25% off of 18 dollars is 13.50 dollars
39.60 off
100
600
$4.50
$1
$45
$84
$4.64