Suppose that $M U _ { x } = 10$ and $M U _ { y } = 20$. Further suppose that the consumer's budget constraint can be expressed as $20 x + 10 y = 400$. For this consumer, the optimal amount of good $x$ to buy would be:
A) 5 .
B) 0 .
C) $20 .$
D) 40 .

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The Answer of Suppose that $M U _ { x } = 10$ and $M U _ { y } = 20$. Further suppose that the consumer's budget constraint can be expressed as $20 x + 10 y = 400$. For this consumer, the optimal amount of good $x$ to buy would be:
A) 5 .
B) 0 .
C) $20 .$
D) 40 .

Suppose That MUx=10M U _ { x } = 10MUx​=10 And MUy=20M U _ { y } = 20MUy​=20

Suppose That $M U _ { x } = 10$ And $M U _ { y } = 20$