Math, asked by udaysinghz, 11 months ago

Ex. 1. In a km race, A beats B by 28 metres or 7 seconds. Find A's time over the course.


Can anyone please explain the step where there is a question mark. I need to understand how we use that formula to obtain B's time over the course. Thanks in advance! ​

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Answered by adyant12
0

Answer:

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