20% off of 5 dollars = 80% of 5 dollars = 5*80/100 = 4 dollars.
80% of $5.00 = 80% * 5 = 0.8 * 5 = $4.00
$4.20
80% of $25 is $20, so 80% off would be $5.
20cents (500 cents divided by 100- 5 cents is 1 percent so 4percent is 20cents)
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
5% of $16.00 = 5% * 16 = 0.05 * 16 = 80 cents
80% of 300 dollars = 80% * 300 = 0.8 * 300 = 240 dollars