The reverse, in the sense of undoing the effects of "divide by 21" is "multiply by 21".
Divide by 4.
divide by 21
1, 2, 19, 38
Divide by 622.
72 reverse the digits divide by 3 = 24
The reverse, in the sense of undoing the effects of "divide by 21" is "multiply by 21".
0.02631578947368 (divide 1 by 38)
Divide by 4.
divide by 21
1, 2, 19, 38
38 does not divide into 8 so, 8 is not a factor of 38.
Divide by 622.
31 divided by 38 is 81.5%
0.0094
To convert 38% to decimal divide by 100: 38% ÷ 100 = 0.38
26- 13,2 38-2, 19