First grade math. What's the route of that bus? Can someone draw it briefly? By the way, explain the topic, thank you very much, and give points.
Solution: Let the speed of the car be x m/min and the speed of the person be y m/min.
6(x-y)=30/7(x+y)
7x-7y=5x+5y
x=6y
The distance between two cars is 6(6y-y)=30y.
30y÷6y=5 minutes