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Alexis and Tara Both Mine Salt

Question 8

Multiple Choice

Alexis and Tara both mine salt.Alexis mines 300 pounds in 20 hours.Tara mines 400 pounds in 40 hours.Which of the following is correct?


A) Alexis's productivity is greater than Tara's.This difference could be explained by Alexis having more physical capital than Tara.
B) Alexis's productivity is greater than Tara's.This difference cannot be explained by a difference in the physical capital each has.
C) Tara's productivity is greater than Alexis's.This difference could be explained by Tara having more physical capital than Alexis.
D) Tara's productivity is greater than Alexis's.This difference cannot be explained by a difference in the physical capital each has.

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