Given:
Number of goods $n = 2$.
Price vector $p = (p_1, p_2) = (2, 1)$.
Income $y > 0$.
Budget constraint: $px \leq y$, which means $p_1 x_1 + p_2 x_2 \leq y$.
Substituting the given prices, the budget constraint is $2x_1 + 1x_2 \leq y$, or $2x_1 + x_2 \leq
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