When Alex eats 1 slice of pizza, his total utility is 80; when Alex eats 2 slices of pizza, his total utility is 120. Alex's marginal utility from the second pizza is
A) 200.
B) 80.
C) 60.
D) 40.

Question

Quizplus · Accepted Answer

Marginal utility is the additional utility gained from consuming one more unit of a good. The marginal utility from the second slice is the difference in total utility between eating 2 slices and 1 slice, which is 120 - 80 = 40.

When Alex Eats 1 Slice of Pizza, His Total Utility