Answer:
Pamela worked 9 hours if she prepared 72 kilograms of dough.
Step-by-step explanation:
First we divide 72 by 16.
72 ÷ 16 = 4.5
Next we multiply 4.5 by 2.
4.5 * 2 = 9
So, the answer is 9 hours.
Hope this helps! :)
We know that there are 11 sections that could be filled, one of which is.
So, one out of 11 of the sections is shaded... Now, all you would need to do is create a fraction to demonstrate that.

of the figure is shaded.
I hope this helps!
(81m^6)^1/2 = (3^4*1/2) (m^6*1/2) = 3²m³