AMC 8 2010 Problem 15

AMC8 2010 年第 15

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A jar contains five different colors of gumdrops: 30% are blue, 20% are brown, 15% red, 10% yellow, and the other 30 gumdrops are green. If half of the blue gumdrops are replaced with brown gumdrops, how many gumdrops will be brown?
一个罐子装有 5 种不同颜色的口香糖:30%是蓝色的,20%是棕色的,15%是红色的,10% 是黄色的,且其他 30 个口香糖是绿色的。若蓝色口香糖的一半被棕色口香糖代替,那么有多少个口香糖将是棕色的?
  1. A.35
  2. B.36
  3. C.42
  4. D.48
  5. E.64

正确答案 · Correct Answer

C

解析 · Solution

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