新华书店运来书600本

  • 时间:2020-05-20 15:29:31
  • 分类:数学世界
  • 阅读:149 次

数学题:新华书店运来书600本,卖了2天以后,正好卖了这批书的三分之二。已知第一天卖出的本数与这批书总本书的比是二比五,则第二天卖出多少本?请问一下怎么做?

数学题解答:2天卖了这批书的三分之二,那么两天共卖了:

600 × 2/3 = 400(本)

第一天与总本数的比是2比5,那么第一天卖了:

600 × 2/5 = 240(本)

所以,第二天卖了:

400 - 240 = 160(本)

答:第二天卖了160本。

推荐阅读:
Switching to a Blogging Career: Can You Afford to Work from Home  4 Features that Will Enhance Your Blog  Amazon Surpasses Google: Should you Change your SEO Strategies?  How to Optimize WordPress Categories and Tags  Blogging Royalties: Michelle Obama Interviewing Barack on her Po  Content Marketing: Expectations Vs Reality  Blogger Skills: LinkedIn and Microsoft’s Digital Skill Programs   5 Tips for Creating a Content Strategy for Your eCommerce Websit  5 Tips You Can Use to Launch a Successful Property Management Bl  Blogging and Gaming Finally Recognized as Professions 
评论列表
添加评论