The voltage across the

$\mathrm{R}_{\mathrm{eq}_{1}}=\frac{50 \times 20}{70}=\frac{100}{7}$

$\mathrm{R}_{\mathrm{eq}}=\frac{170}{7}$

$v_{1}=\left[\frac{170}{\frac{170}{7}}\right] \times 10=70 \mathrm{v}$

Ans. $=70.00$