The distance between city A and city B is 100 km.A car travels from city A to city B at a constant speed of x km/h and returns at a constant speed of y km/h,Express the time taken for the whole journey in x and y.time taken=distance tracelled/speed
来源:学生作业帮助网 编辑:作业帮 时间:2024/07/30 07:03:01
![The distance between city A and city B is 100 km.A car travels from city A to city B at a constant speed of x km/h and returns at a constant speed of y km/h,Express the time taken for the whole journey in x and y.time taken=distance tracelled/speed](/uploads/image/z/9486926-62-6.jpg?t=The+distance+between+city+A+and+city+B+is+100+km.A+car+travels+from+city+A+to+city+B+at+a+constant+speed+of+x+km%2Fh+and+returns+at+a+constant+speed+of+y+km%2Fh%2CExpress+the+time+taken+for+the+whole+journey+in+x+and+y.time+taken%3Ddistance+tracelled%2Fspeed)
The distance between city A and city B is 100 km.A car travels from city A to city B at a constant speed of x km/h and returns at a constant speed of y km/h,Express the time taken for the whole journey in x and y.time taken=distance tracelled/speed
The distance between city A and city B is 100 km.A car travels from city A to city B at a constant speed of x km/h and returns at a constant speed of y km/h,Express the time taken for the whole journey in x and y.
time taken=distance tracelled/speed
The distance between city A and city B is 100 km.A car travels from city A to city B at a constant speed of x km/h and returns at a constant speed of y km/h,Express the time taken for the whole journey in x and y.time taken=distance tracelled/speed
100/x+100/y
100是路程、x y 分别为去、回的速度、
路程/速度=时间
100/x+100/y