24 dollars :)
$55.00 + 80% = $99.00
eighty percent off thirty dollars = $680% off of $30= 80% discount applied to#30= $30 - (80% * $30)= $30 - (0.80 * $30)= $30 - 24= $6
That is 60 dollars.
If you take 80% of 80 dollars away, you are left with 16 dollars.
"30 percent of 80 dollars" is expressed as "30% times 80 dollars". Then: 0.3 * $80 = $24
$64
10% of 80 dollars = 8 dollars
35% of 80 = 28 (0.35 x 80 = 28)
80% of 300 dollars = 80% * 300 = 0.8 * 300 = 240 dollars
80% of 15 dollars = 15*80/100 = 12 dollars.
80% of 5.00 dollars = 5.00*80/100 = 4.00 dollars.