Find the elevation

1. The problem statement, all variables and given/known data
Find the elevation at point A. in the figure shown.

2. Relevant equations

P = pgh

3. The attempt at a solution

So i Converted 0.21kg/cm^2 to Kn/m^2 and i got 20.6kN/m^2 or 20.6kPa

and -30cm Hg i got 40kN/m^2 or 40kPa

Attached Images
File Type: png Untitled.png (7.3 KB)

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