Answer:
The rate defines how much the portion is of the base.
Step-by-step explanation:
-8
(-2)(-2)(-2)
4(-2)
A
I might be wrong but it seems right.
(5a + 17) x 4a
The jar of chermical contains 66g of Zinc.
The ratio of Zinc to Copper is 3 : 13
A jar of the chemical contains 286g of copper.
Let the mass of the Zinc be xg.
13/3 = 286/x
x = 3A286/13= 66g
So the jar of chemical contains 66g of Zinc.
