问prep1-96

gifiler

According to the directions on a can of frozen orange juice concentrate, 1 can of concentrate is to be mixed with 3 cans of water to make orange juice.  How many 12-ounce cans of the concentrate are required to prepare 200 6-ounce servings of orange juice?

 

(A)  25

 

(B)  34

 

(C)  50

 

(D)  67

 

(E)  100

答案A why????

chwayne

这道题目我是这样理解的
设总共需要N份12 ounce的concentrate
由题干知道，一份orange juice中juice concentrate和water比例是1：3，
那么juice concentrate是总Orange juice的四分之一
要准备200份6ounce的果汁需要的juice concentrate是200*6*（1/4）
即12N=200*6*（1/4）
所以N= 25
答案A

gifiler

thank u ~