Question

5-.2
= 4.8
How did this answer come

Answer 1

$\: \: 5.0 \\ - 0.2 \\ - - - \\ 4.8\\ - - -$

Answer 2

5 - 0.2 = 4.8

Subtract 0.2 from 5.0 then you get the answer...

$+ 5.0 \\ - 0.2 \\ --- \\ +4.8$