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## Homework Statement

the question is in the diagram i have attached. basically i have to find absolute pressure

## Homework Equations

P = pgh where P is Pressure and p is density

## The Attempt at a Solution

1st of all i need to convert 750mm into a pressure? somehow dont know exactly.

the rule i was told is starting from the right side, if it goes down it is subtracted and if it goes up it is added. So in knowing that i did: p_atm - (8 * 0.15 ) - ( 10* 0.05) but i dont know the pressure yet coz i dont know how to calculate. is the rest of the method correct though?