The 3rd one because of the laws and newton’s ways
The answer is 8 it should be
Answer:
We can have 7 fish in fish tank containing 35 gallons of water.
Step-by-step explanation:
Given:
2 fish per 10 gallons
∴ 1 fish can be in = 
To find Number of fish in 35 gallons of water
Number of fish in 35 gallons would be = 
You substitute the y from the second eqaution to the y in the first equation