Math, asked by jananivaidhiyanathan, 3 months ago

a man rows downstream at 20 km/hr and rows upstream at 15km/hr . at what speed he can row in still water?

Answers

Answered by ButterflyUSR

4

Answer:

17.5

x+y = 20

x-y = 15

2x = 35

x = 17.5

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