数学题:当甲车到达时,乙车距离工地还有24千米

  • 时间:2020-05-12 13:38:15
  • 分类:数学世界
  • 阅读:110 次

数学题:两辆汽车同时从某地出发,运送一批货物到距离165千米的工地,甲车比乙车早到48分钟,当甲车到达时,乙车距离工地还有24千米。甲车行完全程用了多少小时?

数学题解答

先化单位,48分钟=0.8小时

“甲车比乙车早到48分钟,当甲车到达时,乙车距离工地还有24千米”说明乙车行完剩下的24千米路程需要48分钟,即0.8小时。

乙车的速度:24÷0.8=30(千米/小时)

乙车用的时间:165÷30=5.5(小时)

甲车用的时间:5.5 – 0.8 = 4.7(千米)

推荐阅读:
6 Tips to Get Started With Selling on Your Blog  Introduction to Microbit and Javascript/Typescript Programming  Return the Path that Sum up to Target using DFS or BFS Algorithm  How to Clone an Array in Javascript?  The Concurrent Programming Language: Cind  How to Design a Design Bounded Blocking Queue in Python using Th  The Unique Permutations Algorithm with Duplicate Elements  Python Coding Reference: index() and find() for string (substrin  Walking Robot Simulation Algorithm with Obstacles Detection  The Selection Sorting Algorithm in VBScript 
评论列表
添加评论