malik's recipe for 4 servings of a certain dish requires 3/2 cups of pasta. accorfding to this recipe, what is the number of cups of pasta that malik will use the next time he prepare this dish?
(1) the nest time he prepares this dish, malik will make half as many serving as he did the last time he prepared the dish.
(2) malik used 6 cups of pasta the last time he preparee this dish
题目没太看明白 。。。牛牛 帮忙解释解释。
配方:4份 dish 需要 3/2 杯 pasta (也就是 1份 dish 要 3/8杯 pasta),
问第二次做的时候需要多少杯 pasta (注意题目里只说了第二次,没说第一次)
(1)第二次做dish数目是第一次的一半
(2) 第一次做的时候用了6杯 pasta
(1)不知道两次的具体数目,没法做
(2)没有第二次的信息,没法做
(1)+(2)得出第二次做的数目是第一次的一半,那么自然用掉的pasta也是一半,6/2 = 3杯。 (C)
欢迎光临 ChaseDream (https://forum.chasedream.com/) | Powered by Discuz! X3.3 |