15% off of 45 = 85% of 45 = 45*85/100 = 38.25
15% off 180.00 = 85% * 180.00 = 180.00*85/100 = 153.00
85 - 15% = 85 x (1 - (15/100)) = 85 x 0.85 = 72.25
15% off of 680 = 85% of 680 = 680*85/100 = 578
15% off of 5.59 = 85% of 5.59 = 5.59*85/100 = 4.7515
15% off of 24.99 = 85* of 24.99 = 24.99*85/100 = 21.2415
15% off of 40.00 = 85% of 40.00 = 40*85/100 = 34.00
15% off of 16.98 = 85% of 16.98 = 16.98*85/100 = 14.433
85 times 15/100 = 12.75 pounds off
15% off of 134.50 = 100-15 = 85% of 134.50 = 134.50*85/100 = 114.33
15% off 357 = 85% [remaining] of 357 = 357*85/100 = 303.45
15% off 119.99 = 85% left of 119.99 = 119.99*85/100 = 101.9915