Answer:
B
Explanation:
I took the test and got it wrong. but then it showed me the right answer.
These are the matched answers:
Answer:

Explanation:
specific gravity of oil is 

we know that
change in pressure for oil is given as

here density and h is for oil

change in pressure for WATER is given as

here density is for water and h is for water

pressure change due to both is given as

