Question
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Chapter 20, Problem 20.2LO
To determine

Why is an optimal choice obtained on equalizing marginal utility per dollar spent on all items?

Concept Introduction:

Marginal utility refers to the addition to the total utility when one more unit of a good is consumed. In other words, it is the additional utility derived from consuming one additional commodity.

Economics Today: The Micro View, Student Value Edition Plus MyLab Economics with Pearson eText -- Access Card Package (19th Edition), Chapter 20, Problem 20.2LO , additional homework tip  1

Where,

Economics Today: The Micro View, Student Value Edition Plus MyLab Economics with Pearson eText -- Access Card Package (19th Edition), Chapter 20, Problem 20.2LO , additional homework tip  2- is the change in total utility

Economics Today: The Micro View, Student Value Edition Plus MyLab Economics with Pearson eText -- Access Card Package (19th Edition), Chapter 20, Problem 20.2LO , additional homework tip  3- is the change in quantity of good consumed

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