公交车共有多少张座位?
- 时间:2020-05-20 15:29:31
- 分类:数学世界
- 阅读:143 次
数学题:公共汽车从八佰伴开出时,一人一座无站客,车上还空2张座位。到达商业大厦时有百分之二十的乘客下车,同时又有8人上车,这时正好坐满座位无站客。公交车共有多少张座位? 求解
数学题解答:此题关键是弄清那下车的20%的乘客到底是多少人?
当一些人下车后,8人上车,然后坐无虚席,说明在这8人上车之前,正好有8个空位,也就是说下车的人数是:
8 - 2 = 6(人)
这6人占座位总数的20%,所以原来乘客人数就是:
6 ÷ 20% = 30(人)
车上座位总数是:
30 + 2 = 32(张)
答:公交车共有32张座位。
推荐阅读:How Social Media Paid Ads Can Boost Blog Post Promotion Are You Focused Enough To Freelance? 4 Tips For Bloggers The Secure Shell (SSH) Chrome Extension developed by Google The Valid Mountain Array Algorithm Recovery Models in SQL Server The Algorithm to Construct the Rectangle Given Its Area How to Find Positions of Large Groups using Two Pointer Algorith IPv6 Is Dominant, But Has The World Actually Moved On? How to Find the Town Judge using Graph Algorithm? The Backspace String Compare Algorithm
- 评论列表
-
- 添加评论