求助一道prep题！！！大家帮忙看下哈~

zhenzhu

Of the 60 animals on a certian 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.
答案是C 希望NN们能详细解答 包括翻译下题目，不太理解more than@@
谢谢各位好心人咯~

gesteven

请看这里：http://forum.chasedream.com/GMAT_Math/thread-478337-1-1.html?postid=14277023&searchmode=TopicContent&searchtext=of the 60 animals on a cer