AMC 8 2024 Problem 21
AMC8 2024 年第 21 题
比与比例★★★☆☆
A group of frogs (called an ''army'') is living in a tree. A frog turns green when in the shade and turns yellow when in the sun. Initially, the ratio of green to yellow frogs was 3: 1. Then 3 green frogs moved to the sunny side and 5 yellow frogs moved to the shady side. Now the ratio is 4: 1. What is the difference between the number of green frogs and the number of yellow frogs now?
一群青蛙（号称青蛙军团）生活在树上。它们在树荫中呈绿色，在阳光下又变成黄色。刚开始，绿色青蛙和黄色青蛙的数量之比是3：1。随后，3只绿色青蛙跳到阳光下，5只黄色青蛙跳到树荫下，此时数量之比变成4：1。请问现在绿色青蛙和黄色青蛙的数量相差多少？
- A.10
- B.12
- C.16
- D.20
- E.24
正确答案 · Correct Answer
E
解析 · Solution
解析整理中
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