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Utility & Consumer's Equilibrium · Question 23 of 73

In the graph, what is the total utility of 5 units?

Question 23

HardOriginal question

In the graph, what is the total utility of 5 units?

A marginal utility curve for ice cream: MU is 10 utils for the 1st unit and falls by 2 with each unit: 8, 6, 4, 2, then 0 for the 6th unit and −2 for the 7th.
Options for question 23

Show the answer and explanation
CorrectNot quiteAnswer C

Correct answer: C

Explanation

  1. Read the MU of each of the first 5 units: 10, 8, 6, 4, 2.

  2. TU = 10 + 8 + 6 + 4 + 2 = 30 utils.

Worth noting

2 is the MU of the 5th unit alone; 50 multiplies the first MU by 5.

Concept
TU from an MU curve
Typical time
100 s
Your time
—
The rule this testsTotal and marginal utility
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Ten questions from Utility & Consumer's Equilibrium, at your own pace.

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