61. 5157-!-item-!-187;#058&004472
Of the 60 animals on a certain farm, 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.
不太清楚題目的意思..
請問這題要如何解,謝謝