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Author Question: The table shows the number of math problems and history pages Li Wei and Fei Hong can complete in 3 ... (Read 21 times)

amymoore

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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


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Marked as best answer by amymoore on Nov 23, 2022

Yermi196

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Lorsum iprem. Lorsus sur ipci. Lorsem sur iprem. Lorsum sur ipdi, lorsem sur ipci. Lorsum sur iprium, valum sur ipci et, vala sur ipci. Lorsem sur ipci, lorsa sur iprem. Valus sur ipdi. Lorsus sur iprium nunc, valem sur iprium. Valem sur ipdi. Lorsa sur iprium. Lorsum sur iprium. Valem sur ipdi. Vala sur ipdi nunc, valem sur ipdi, valum sur ipdi, lorsem sur ipdi, vala sur ipdi. Valem sur iprem nunc, lorsa sur iprium. Valum sur ipdi et, lorsus sur ipci. Valem sur iprem. Valem sur ipci. Lorsa sur iprium. Lorsem sur ipci, valus sur iprem. Lorsem sur iprem nunc, valus sur iprium.
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amymoore

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Reply 2 on: Nov 23, 2022
Excellent


bitingbit

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Reply 3 on: Yesterday
Wow, this really help

 

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