Math, asked by dishahs87, 5 months ago

Write an equation for this:
A boat goes 30 km upstream and 4 km downstream in 10 hours. In 13 hours it can go 40 km upstream and 55 km downstream. Determine the speed of the stream and that of the boat in still water.

Answers

Answered by swainkusmita812

0

Answer:

soo

Step-by-step explanation:

sorry i am not know the anser

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