15-(15*.8)15-(12)33 dollars
50% off 80 dollars = 40 dollars.
If you take 80% of 80 dollars away, you are left with 16 dollars.
80% of 15 dollars = 15*80/100 = 12 dollars.
80x.15=12
24 dollars :)
20% off of 5 dollars = 80% of 5 dollars = 5*80/100 = 4 dollars.
20% off of 156 dollars = 80% of 156 dollars = 156/80/100 = 124.8 dollars
20% off 37 dollars = 80% of 37 dollars = 37*80/100 = 29.60 dollars.
20% off of 370 dollars = 80% of 370 dollars = 370*80/100 = 296 dollars
30 % off of $80 is $24 off so it would be $56
80% of 600 dollars is: 600 x 0.80 = 480 dollars