38 percent off is 38% discount
77.9%
30 percent off of $30 would be $9 off.
Expressed as a percentage, 30/38 x 100 = 78.947368421052631578 recurring (that is, 78.947368421052631578947368421052631578...) percent.
30 percent off of 5.68 is 1.70.
20 percent off of 30 is 6.
36.3 is 30 percent off 121.
58.5 is 30 percent off 195.
30 percent off 39.90 is 11.97.
39.89 would be the amount with 30 percent taken off.
It is 38 minus 5.7 = 32.30 dollars
32 % of 38 = (32 / 100) * 38 = 0.32 * 38 = 12.16 so, 38 - 12.16 = 25.84