Examine Figure $1.$ Given that $a=7\mathrm{.}5in.$ and $b=12in.,$ what is the height of the water in the right hand vessel? Density of the $CC{l}_4$ is $1\mathrm{.}6\frac{g}{c}{m}^3.$

inch $=0\mathrm{.}0254m$

Manometer of oil $p=0\mathrm{.}7gc{m}^3$

Open to atmosphere