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?

Guest Aug 6, 2019

edited by
Guest
Aug 6, 2019

#1**0 **

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)

ElectricPavlov Aug 6, 2019