题库搜索>问题求解PS-13312
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?
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1克的食物维他命E的3%，那么至少需要33克食物才能满足维他命E的100%，同理 需要14克维他命E才能满足所以最少需要33克
JT 的未婚夫
不应该34才对么。。。。
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2022-02-23 22:22:41
猜猜酱回复JT 的未婚夫
对啊 真的很无语 还至少达标呢 给我看傻了
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2022-08-18 01:59:57
你这只猪
把我看得也挺蒙的，以为缺少变量呢，真的是哭笑不得
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2020-03-22 08:54:53
不上740不改名
感觉题目不完整啊
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2018-04-01 11:04:46
Eric 7回复不上740不改名
同感
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2018-09-27 20:35:35
11
哪里能看出来100%的需要量？
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2017-11-22 04:32:09
593458fbwo回复 11
把爷给看蒙了
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2020-03-14 21:58:32
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