AMC 8 1997 Problem 13

AMC8 1997 年第 13

百分比★★★☆☆
Problem Three bags of jelly beans contain 26, 28, and 30 beans. The ratios of yellow beans to all beans in each of these bags are 50%, 25%, and 20%, respectively. All three bags of candy are dumped into one bowl. Which of the following is closest to the ratio of yellow jelly beans to all beans in the bowl?
三袋果冻豆分别装有 26、28 和 30 颗。这三袋中黄色豆与全部豆的比例分别是 50%25%20%。将三袋糖果全部倒入一个大碗中。黄色果冻豆与碗中全部果冻豆的比例最接近以下哪项?
  1. A.31%
  2. B.32%
  3. C.33%
  4. D.35%
  5. E.95%

正确答案 · Correct Answer

A

解析 · Solution

解析整理中

继续练习

真题版权归属 MAA(AMC)。本站仅供学习用途。版权方如有异议,请联系本站予以下架。

Problems © MAA (AMC). This site is for study purposes only. Rightsholders may contact us for removal.