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The temperature $T$ in a room varies as a function of the outside temperature $T_0$ and the number of persons in the room $p$, according to the relation $T=K(\theta p +T_0)$, where $\theta$ and $K$ are constants. What would be the value of $\theta$ given the following data?

$$\begin{array}{|l|l|l|}\hline \text{$T_{0}$}  &  \text{p} & \text{T} \\\hline \text{25} & \text{2}& \text{32.4} \\\hline \text{30} & \text{5} & \text{42.0}\\\hline  \end{array}$$

  1. $0.8$
  2. $1.0$
  3. $2.0$
  4. $10.0$
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