40 % of 40 dollars = 40/100 * 40 = 0.4 * 40 = 16 dollars off 16 dollars off 40 dollars = 40 - 16 = 24 dollars
40/100*110=44 dollars
30% off of 40 dollars = 70% [left] of 40 dollars = 40*70/100 = 28 dollars
40% of 120 dollars = 120*40/100 = 48 dollars. So 40% off = 120 - 48 = 72 dollars.
40% off of 54 dollars = 60% of 54 dollars = 54*60/100 = 32.40 dollars
100 dollars
40 % of 40 dollars = 40/100 * 40 = 0.4 * 40 = 16 dollars off 16 dollars off 40 dollars = 40 - 16 = 24 dollars
40/100*110=44 dollars
30% off of 40 dollars = 70% [left] of 40 dollars = 40*70/100 = 28 dollars
40% of 120 dollars = 120*40/100 = 48 dollars. So 40% off = 120 - 48 = 72 dollars.
40% off 7 dollars = 60% of 7 dollars = 7*60/100 = 4.20 dollars.
40% off 37 dollars = 60% of 37 dollars = 37*60/100 = 22.20 dollars
60% off of 148 dollars = 40% of 148 dollars = 148*40/100 dollars = 59.2 dollars
40% off = 60% 60% of 21 dollars = 21*60/100 = 12.60 dollars
40% off of 20 dollars = 60% of 20 dollars (100 - 40 = 60) = 20*60/100 = 12 dollars
40% off 171 dollars = 60% [left] of 171 dollars = 171*60/100 = 102.6 dollars
60% off of 166 dollars = 40% left of 166 dollars = 166*40/100 = 66.40 dollars.