Well, isn't that just a happy little question! If you take 40 percent off 100 dollars, you're left with 60 dollars. Just imagine all the wonderful things you could do with that extra 40 dollars! It's all about finding joy in the little discounts life gives us.
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.