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A motorboat traveling with the current can go 160 km in 4 h. Against the current it takes 5 h to go the same distance. Find the rate of the motorboat in still water and the rate of the current.

Please help!

Answers

Answered by R_scott
b + c = 160 / 4

b - c = 160 / 5

add the two equations (cancelling c)

substitute back to find c
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