# Isolate Quantities

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This video is for the redesigned SAT which is for you if you are taking the SAT in March 2016 and beyond.

Isolate Quantities - Basic Example

$$P = {P_0} + \rho gh$$

The absolute pressure, P, in a fluid density, ρ, at a given height, h, can be found with the above equation, where P0 is atmospheric pressure and g is gravitational acceleration. Which of the following is the correct expression for the depth in terms of the absolute pressure, atmospheric pressure, fluid density, and gravitational acceleration?
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