SOLUTION: In a barn every two horses share a trough, every three cows share a trugh and every eight pigs share a trough. The farmer has the same nuber of each animal. There is a total of s

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Question 144787: In a barn every two horses share a trough, every three cows share a trugh and every eight pigs share a trough. The farmer has the same nuber of each animal. There is a total of sixty nine troughs. How many animals does the farmer have in total?
Answer by scott8148(6628)   (Show Source): You can put this solution on YOUR website!
let 3x="number of animals"

x/2+x/3+x/8=69 __ multiplying by 24 (LCD) __ 12x+8x+3x=69*24 __ 23x=69*24

dividing by 23 __ x=72 __ substituting __ 3(72)=216

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