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If a farmer can trade four chickens for a pig, three pigs for two sheep, and five sheep for two cows, what is the minimum number of cows he needs to trade for 20 chickens?

 Aug 6, 2019
edited by Guest  Aug 6, 2019
 #1
avatar+19797 
+1

4ch/p   x  3p/2s  x 5s/2co

 

= 60 ch/4co

 

20ch/ (60ch/4co) =  80/60  cows   1 1/3 cow  (~~ he will need two cows)

 Aug 6, 2019
 #2
avatar+1655 
+4

how do you donate 1/3 of a living cow? just cuirous.

tommarvoloriddle  Aug 6, 2019
 #3
avatar+19797 
+1

Where did the word 'living' get mentioned???  cheeky

ElectricPavlov  Aug 6, 2019
 #4
avatar+1655 
+3

poor dead/alive/neither cow...

tommarvoloriddle  Aug 11, 2019

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