700-280=420
40% of 420 is 168.
30% off $420 = $420 - (0.3 x $420) = 294
It is: 420-84 = 336
40% of 300 is 120. So, 300+120=420
180 600*70% = 420 600-420 = 180
40 percent off of 50.54 is 30.32
40 percent off of 36.99 is 22.194.
40 percent off of 125 is 75.
25 percent off of 40 is 30.
67.2 is 40 percent off of 168.
63 off, there would be 357 left