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

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