Question

hello!
Please help me to solve this problem!
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Answer 1

Answer:

let the speed of the stream be x km. THEN,

SPEED DOWNSTREAM = (15+ x)

SPEED upstream = (15 _ x)

30+30 =41

(15+x) (15- x) 2

900= 9

225-x2 2

9×2=225

x2=25

x = 5 km/ hr

Answer 2

Answer:

Hey here's your answer...

Kindly refer to this attachment....

Hope this helps you....

Yours sincerely

Jalay