Equilibrium · Heterogeneous equilibria kp

Solid carbon, CaO and $\ce{CaCO3}$ are mixed and allowed to attain equilibrium at T K.

$\ce{CaCO3 <=> CaO(s) + CO2(g)}$   Kp$_1 = 0.08$ atm

$\ce{C(s) + CO2(g) <=> 2CO(g)}$   Kp$_2 = 2$ atm

The partial pressure of CO is $\times 10^{-1}$ atm.