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【OG20-P280-319题】A certain painting job requires a mixture of yellow, green, and white paint. If 12 quarts of paint are needed for the job, how many quarts of green paint are needed?
1. The ratio of the amount of green paint to the amount of yellow and white paint combined needs to be 1 to 3.
2. The ratio of the amount of yellow paint to the amount of green paint needs to be 3 to 2.
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quart是夸脱的意思,这是一个液体的度量单位,(2)只说了黄色和绿色的比例,没说白色的,因此不充分
题目讨论 (2条评论)

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Crystal8
混合物文艺,只需要绿色站总混合物的我比例就可以,另外两个颜色可以看成一个
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0 回复 2021-11-20 14:05:18
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babyweezy
读题问题。。
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0 回复 2019-09-05 10:20:20