30-09-2022
Mathematics

Answered

You are to fill in Brenda's rate of speed between 5 to 8 km/h. Brenda can kayak in still water at a speed of km/hr. Brenda kayaked 9 km upstream against the current and then kayaked 9 km back downstream with the current. The total trip took 4 hours. What is the speed of the current?

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