求解GMAT PREP数学DS1-55:Malik's recipe for 4 servings of a certain dish requires 1 c

lina_cheung · 发表于 2008-6-16 14:01:00

Malik's recipe for 4 servings of a certain dish requires 1.5 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 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.

我的问题是：题干中不是已经说明了4份需要1.5杯么？既然如此，下面的条件不都是多余么？可答案是C。

哪位同学可以帮忙分析一下？谢谢。

proudking · 发表于 2008-6-18 20:04:00

问题问的是下一次要多少，不是这一次

giji_78 · 发表于 2008-6-25 11:31:00

那个四份并没有说是昨天的 (*^__^*) 嘻嘻……，

这就是ets贱，我也糊涂刚做的时候

lishell34 · 发表于 2010-12-16 02:19:24

哎呀，這個帖子是08年問的呢。我這會看了還是不太懂。誰能解釋一下吖。萬分感謝。

lbccd · 发表于 2010-12-22 20:40:18

顶1下~ 没人回答我再问...

遥远的地方 · 发表于 2011-5-24 23:44:39

Malik’s recipe for 4 servings of a certain dish requires 3/2 cups of pasta. According to this recipe, what is the number of the 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.
M的食谱上说4份某菜需要1.5杯的pasta,问题是，根据这个食谱，M下次做这道菜的时候需要多少杯的pasta
条件一：下一次M需要做某菜的份数是上一次的一半
条件二：M上一次用了6杯pasta做菜
由2可知上次一共做了6/1.5*4=16servings
由1可知这一次一共做了16/2=8servings
已知8个servings用3杯pasta
那么这一次的12servings共用了12/4=3杯pasta

醉清风额 · 发表于 2012-10-21 23:45:21

谢ls！！

求解GMAT PREP数学DS1-55:Malik's recipe for 4 servings of a certain dish requires 1 c

求解GMAT PREP数学DS1-55:Malik's recipe for 4 servings of a certain dish requires 1 c

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