4y + 228= 352
-228 -228
4y= 124
---- -----
4 4
y=31
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.
13/3 = 286/x
x = 3A286/13= 66g
So the jar of chemical contains 66g of Zinc.
Answer:
What is the cost per sq.m
Step-by-step explanation:
You can’t solve this without the cost per meter
