45 - (70 percent) = 13.5
577,500 - (70%) = 173,250
24.21
300
24.60
20% of 70 is 14 70 - 14 = 56
352.5
$225.00
80 - 70% = 80 x (1 - (70/100)) = 24
30% off of 298= 30% discount applied to 298= 298 - (30% * 298)= 298 - (89.40)= 208.60
23 - (.70 x 23) = 23 - (16.1) = 6.9
Expressed as a percentage, 298/100 x 100 = 298 percent.