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maryanne.jones3 maryanne.jones3
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A year ago
The table shows the number of math problems and history pages Li Wei and Fei Hong can complete in 3 hours.
Li WeiFei Hong
Math problemsHistory pagesMath problemsHistory pages
400400
20202010
040020

Before trade, Li Wei did 20 math problems and 20 history pages, and Fei Hong did 20 math problems and 10 history pages.
Suppose that each student focuses on the subject in which they have the comparative advantage and trades.
After trade, Li Wei has 20 math problems and 22 history pages, and Fei Hong has 20 math problems and 18 history pages. What is the price of trade?

▸ 20 math problems for 22 history pages

▸ 20 math problems for 18 history pages

▸ 18 math problems for 20 history pages

▸ 22 math problems for 20 history pages
Textbook 
Macroeconomics

Macroeconomics


Edition: 3rd
Authors:
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xuelixueli
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A year ago
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maryanne.jones3 Author
wrote...

A year ago
Thank you, thank you, thank you!
aricketts6@
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Yesterday
Smart ... Thanks!
terriroberts96
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2 hours ago
Thanks for your help!!
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