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Lizzie Takes 20 Seconds to Stuff an Envelope and 10

Question 3

Multiple Choice

Lizzie takes 20 seconds to stuff an envelope and 10 seconds to seal it.Arnold takes 15 seconds to stuff an envelope and 5 seconds to seal it.Lizzie has a comparative advantage in ________ and Arnold has a comparative advantage in ________.


A) sealing envelopes; stuffing them
B) stuffing envelopes; sealing them
C) neither of these activities; both activities
D) both activities; neither of these activities

Correct Answer:

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