Answer:
It is A
Step-by-step explanation:
I cant explain step by step I am in a rush but it is A
1 (B), because 3+-2=1, and 5+-4=1, which amounts to 1/1, or whole number 1.
Answer:
Step-by-step explanation:
21. (24)(2)/6+4=48
=48/6+4
=8+4
=12
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.
