You should use your calculator for such simple sums. It is far quicker and involves fewer key depressions than posting the question on WA. I could tell you that the answer is 0.0001456 but how can you be sure that I did not make a mistake? Or that I am not messing about?
6869.3333
6869.3333
1
The answer is 3. 36 divided by 12 = 3
102.6667
12 divided by 1/12 = 144
12
1
104 divided into 12 = 8.666666666666666
12 divided into 5.88 = 2.0408163265306123
12 divided by to get 4.8 = 2.5
12 divided 91 = 0.13186813186813187