O=area of octagon. As its the biggest one. I think its correct just check if any case.
Answer:
The jar of chermical contains 66g of Zinc.
Step-by-step explanation:
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.
= 
x =
= 66g
So the jar of chemical contains 66g of Zinc.
Answer:
you cannot convert a repeating decimal into a fraction
Step-by-step explanation: