Math, asked by tokkararyan, 10 months ago

Pls solve it step by step and tell to me Don't write rubbish or else I will report

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Answers

Answered by tyrbylent

0

Answer:

6 km/h

Step-by-step explanation:

Let "c" is speed of river current, then

10 / (30 - c) = 15 / (30 + c)

300 + 10c = 450 - 15c

10c + 15c = 450 - 300

25c = 150

c = 6 km / h

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