简单数学一道 求解 谢谢各位了 帮帮我吧！

footprintkp

Malik's recipe for 4 servings of a certain dish requires 1
cups of pasta.According to this recipe, what is the number of cups of pasta that Malik will use the next time he prepares this dish?


(1)The next time he prepares this dish, Malik will make half as many servings as he did the last time he prepared the dish.



(2)Malik used 6 cups of pasta the last time he prepared this dish.答案选c 为什么条件1不行呢？ 下一回是上一次的一半  已知这次是4个dish 下次就是2个呀  求解