Problems encountered in primary school mathematics and their detailed solutions

Because distance = speed * time, in the problem of meeting, distance = speed * meeting time.

For example, two cars, A and B, go in opposite directions. The speed of A is V 1, and the speed of B is V2. They met after driving for n hours. How far is it to find this road?

V1+v2 = the sum of the speeds of car A and car B, and n is the time it takes them to meet.

So the formula of this problem is: (V 1+V2) * n = the total distance of this road.

If the speed of A is known, find the speed of B: the distance divided by the meeting time minus the speed of A equals the speed of B. ..

Serial number -V 1 = V2.

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