A man can row his boat with the stream at 6 km/h and against the stream in 4 km/h. The man's rate is? *
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Answer:
5 km/h
Step-by-step explanation:
Man's speed- x
Speed of stream- y
- x+y=6
- x-y=4
- 2x=10
- x=5 km/h
Man's rate is 5 km/h
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