230/100*20=46
It should be $99.80
20% off of 57 = 80% of 57 = 57*80/100 = 45.6
30% off of 20 dollars = 70% of 20 dollars = 20*70/100 = 14 dollars.
20
100 off
2836.2 / 100 * 20 = 567.24
230/100*20=46
(5/100)*20 = 1
It should be $99.80
20 is 20% OF 100.
20% off of 57 = 80% of 57 = 57*80/100 = 45.6
30% off of 20 dollars = 70% of 20 dollars = 20*70/100 = 14 dollars.
20
40% off of 20 dollars = 60% of 20 dollars (100 - 40 = 60) = 20*60/100 = 12 dollars
To obtain this you divide 379.99 by 100 and multiply by 20. This comes to 75.998
find 20 percent of a number, for example: 20% of 500 is 100 then minus the answer off the starting number which is 500. 500 - 100 = 400 400 is 20% off of 500.