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:

这题理解出了minimum requirement, 还是不会解。求详解
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数学
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提问:

具体思路
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数学
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提问:

这题理解出了minimum requirement, 还是不会解。求详解
评分: 0
浏览: 210

提问:

数学
评分: 0
浏览: 187

提问:

具体思路
评分: -1
浏览: 163

提问:

数学
评分: 0
浏览: 131
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