Question 205973
(4x)/5 -1/10 <= x-2/5
.
multiply  by  10
.
8x -1 <= 10x -4
.
3 <= 2x
.
3/2 <=x,,,,,or  x>= 1.5
.
i),,,, 2,,smallest  integer  > 1.5
.
ii),,, 2,, smallest  prime  > 1.5
.
iii),,,3/2,  smallest  rational  number >=1.5
.