2. -28
5. -60
8. -135
The answers are above. :)
It depends on the percentage rate of said tax... is the tax rate 5%? 20%?
<span>deconstructing
48 : 2 = 24
24 : 2 = 12
12 :2 = 6
6 : 2 = 3
3 : 3 = 1
2 * 2 * 2 * 2 * 3 = 48
...................................
16 : 2 = 8
8 : 2 = 4
4 : 2 = 2
2 : 2 = 1
2 * 2* 2 * 2 = 16
..................................
12 : 2 = 6</span>

<span>
6 : 2 = 3
3 : 3 = 1
</span><span>common denominator 48</span>