Add together your portions 1 + 3 + 5 = 9
divide 72 by 9 = 8
Each portion is multiplied by 8
1 x 8 = 8
3 x 8 = 24
5 x 8 = 40
Your portions are 8kg:24kg:40kg
Is this correct? Add 8 + 24 + 40. Do they equal 72? yes. Your portions are correct.
Answer:
B. 12^3 - 12^2 - 11
Step-by-step explanation:
........
Simple....
so you have:

There's the law where if the number outside your parentheses is negative along with the number in the parentheses; it converts into positive...
-->>x-(-x)
--->>x+(+x)
This being said.....

-->>

-->>>

But remember, you want to simplify it....

(Decimal form..1.25)
Thus, your answer.
Answer:
68
Step-by-step explanation:
4³ - (24 ÷ 6) + 8
= 64 - 4 + 8
= 68