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Of the 60 animals on a certain farm, 2/3 are either pigs or

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Of the 60 animals on a certain farm, 2/3 are either pigs or [#permalink]

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19 Nov 2006, 04:41
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Of the 60 animals on a certain farm, 2/3 are either pigs or cows. How many of the animals are cows?

(1) The farm has more than twice as many cows as it has pigs
(2) The farm has more than 12 pigs
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19 Nov 2006, 04:46
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From 1) The farm could have 39 cows and 1 pig, 38 cows and 2 pigs....... INSUFF

From 2) The farm could have 13-40 pigs with the corresponding number of cows. INSUFF

Taking 1) and 2) together the farm can only have 13 pigs and 27 cows to satisfy both equations. (14 pigs would give 26 cows which is less than double the amount of pigs)

19 Nov 2006, 04:46
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