36.80.
230/100*20=46
46% of 20 is 9.2
43.478%
46
46 is 20% of 230
20% of 46,000,000 is 9,200,000
20 percent off of 750 is 600.
20% of 230 = 0.2 x 230 = 46
60% 0f 46 is 27.6 and 46-27.6 = 18.4
20 percent off of 30 is 6.
20 percent off 249 = 199.20
79.6 is 20 percent off of 398.