刚模考了prep 数学请教一道题 请帮忙看看＋错了6道题是51分

crystal2859

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

(1)The farm has more than twice as many cows as it has pigs.

(2)The farms has more than 12 pigs

答案选c 但是算不出来 是不是我的（1）理解的有问题 我的理解是 pig>2 cows 求大家帮下忙

今天模考数学51 不过让我吃惊的是我错了6道题  分别是19，26，27，30，34，36