数学题:卧车和客车所行路程比15:16
- 时间:2020-06-09 15:27:22
- 分类:数学世界
- 阅读:95 次
数学题:甲乙两站之间路程是372公里,卧车和公车从两站同时开车,2.4小时相遇,卧车和客车所行路程比15:16。卧车和客车每小时各行多少千米?
数学题解答:先算出卧车和客车各行了多少公里。
卧车行的路程:372÷(15+16)×15=180(公里)
客车行的路程:372÷(15+16)×16=192(公里)
再算出它们各自的速度。
卧车的速度:180÷2.4=75(千米)
客车的速度:192÷2.4=80(千米)
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