It is: 420-84 = 336
84 is 20% of 420. If you take 84 off of 420, you get 336. You could also look at it in another way, if you regard 20% as 0.2, then 420 - 0.2 is 419.8.
30% off $420 = $420 - (0.3 x $420) = 294
420 - 84 = 336
420
To find the answer to this, first divide 420 by 350, which is 1.2. Get the percent value of this by multiplying 1.2 by 100, so the percent value must be 120%. Since we are looking for percent change, subtract 100 from that to get 20%. The answer is "350 changes 20% to become 420", or "420 is 20% more than 350".
20% of 420 is 84.
180 600*70% = 420 600-420 = 180
63 off, there would be 357 left
700-280=420
Sale price is $252.00
20 percent off of 750 is 600.
40% of 420 is 168.