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[Problem Solving]

试题详情

题目：

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?

选项:

A、3
B、7
C、10
D、14
E、33

答案:

E

提问：

数学

解答：

点赞0
阅读3891
解答： sysadmin

提问：

数学

解答：

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阅读3892
解答： sysadmin老师

提问：

这题理解出了minimum requirement, 还是不会解。求详解

解答：

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阅读3977
解答： sysadmin老师

提问：

具体思路

解答：

点赞-1
阅读3925
解答： sysadmin老师

提问：

数学

解答：

点赞0
阅读3950
解答： sysadmin老师

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