When it is raining outside, you tend to stay in and watch TV. The number of hours of TV that you watch in a given week is twice the number of rainy days in that week. In the table below, $y$ is the number of hours of TV you watch in a week, and $x$ is the number of rainy days in that week. **Write an equation for the number of hours of TV you watch in a given week, $y$, when there are $x$ number of rainy days that week.** [[☃ expression 1]] Suppose you spent $12$ hours watching TV this week. **How many rainy days were there this week?** [[☃ input-number 1]] rainy days $x$ | $y$ :-:|:-: $1$ | $2$ $2$ | $4$ $3$ | $6$ $4$ | $8$