求助~ GWD23-24

newolder

Q24

One gram of a certain health food contains 7 percent of the minimum daily requirement of vitamin E and 3 percent of the minimum daily requirement of vitamin A.If vitamins E and A are to be obtained from no other source, approximately how many grams of the health food must be eaten daily to provide at least the minimum daily requirement of both vitamins?



A.3

B.7

C.10

D.14

E.33


答案是E，完全没思路，我怎么觉得题目不是很完整啊。。
求大牛们指教~

linmeimei

我觉得可能LZ题不太理解吧，题目说一g的这个食物包含每天人体必须摄入的VE VA分别多少百分比，求人应该吃多少，那么就是算含量最小的，保证两种摄入量就是3*33%最接近100%

newolder

呵呵，是啊，我是没理解题目的意思。。谢谢了~