ONE QUESTION, ONE STEP
ZX-C0AE51A7BE2025年8月美国A卷 · 第 22 题
2025年8月美国A卷 · 原库模块 2 · Q22 原库参考解析
In 2010, a skating team had a total of 35 skaters, each classified as either advanced or intermediate. From 2010 to 2020, the number of advanced skaters on the team increased by approximately 39%, and the number of intermediate skaters on the team increased by approximately 47%. The total number of skaters on the team increased by approximately 43%. Which equation best represents this situation, where a represents the number of advanced skaters on the team in 2010 and b represents the number of intermediate skaters on the team in 2010?
参考答案:
解题思路
容易忽略的一步
