Jane's utility function is U=X^2Y^8 , with marginal utilities being  MUX=2XY^8 and MUY=8X^2Y^7. Prices are PX=1 and PY=3. Jane's income is I=120. What is the optimal consumption of X?

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Chapter20: Consumer Choice: Maximizing Utility And Behavioral Economics
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Jane's utility function is U=X^2Y^8 , with marginal utilities being  MUX=2XY^8 and MUY=8X^2Y^7.

Prices are PX=1 and PY=3. Jane's income is I=120.

What is the optimal consumption of X?

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