Simultaneously 6997
Two boys train to run on a 400 m closed track. They both run simultaneously from the same starting track in the same direction. Boy A runs at a constant speed of 5 m/s, and Boy B runs at a constant speed of 3 m/s. At what time does Boy A overtake Boy B for the first time? How far will the boys run in this time?
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You need to know the following knowledge to solve this word math problem:
- algebra
- equation
- expression of a variable from the formula
- planimetrics
- circle
- perimeter
- basic functions
- reason
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