420 - 84 = 336
420-42 = 378
20% = 0.20 4000-0.20 = 3999.80
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.
7/20 minus 1/42 = 137/420
19.8
240,000 minus 20 percent?239,999.8 = 240,000 minus 20 percent.
20% = 0.20 4000-0.20 = 3999.80
25 - (20%) = 20
0.2 minus 50 is -49.8
199 minus 20% = 198.8 20% less than 199 = 159.20
8.99 - (20%) = 7.192
800 - (20%) = 640
40 - (20%) = 32
9,472.03 - (20%) = 7,577.62
37 - (20%) = 29.6
128
X / 1.20 = x minus vat @ 20%