80% of 5.00 dollars = 5.00*80/100 = 4.00 dollars.
20cents (500 cents divided by 100- 5 cents is 1 percent so 4percent is 20cents)
80% of 500 = 80% * 500 = 0.8 * 500 = 400
That is 60 dollars.
If you take 80% of 80 dollars away, you are left with 16 dollars.
(80/500)/5 (because 500 is 5x100) = 16/100, or 16%.
"30 percent of 80 dollars" is expressed as "30% times 80 dollars". Then: 0.3 * $80 = $24
$64
10% of 80 dollars = 8 dollars
80% of 300 dollars = 80% * 300 = 0.8 * 300 = 240 dollars
80% of 15 dollars = 15*80/100 = 12 dollars.
50% off 80 dollars = 40 dollars.
0.3 of 80& of 500 = 0.3 * 80/100 * 500 = 0.3*400 = 120