0.15
12 is one quarter of one tenth of 480.
One tenth is represented as 0.1. When you take away one hundred from one tenth, you perform the calculation: 0.1 - 100, which equals -99.9. Therefore, the answer is -99.9.
20 halves
10
6
one take away one tenth = nine tenths
12 is one quarter of one tenth of 480.
-9/10
it is just one quarter
5
20 halves
3/10
10
6
6
0.95 or 19 over 20.
42