What is the type of man rowing in still water?
A man can row 8 km downstream and 6 hours. If the current rate is about 1 km per hour what the male rate of rowing in still water?
Let x = rate of water without gas). 8 / (x + 1) + 8 / (x – 1 = 6 8 (x – 1) + 8 (x + 1) = 6 (x ^ 2 – 1) 8x – 8x + 8 + 8 = 6 x ^ 2 – 6-6x ^ 2 + 16x + 6 = 0 3x ^ 2 – 8x – 3 = 0 (3x + 1) (x – 3) = 0 (3x + 1) = 0 x = -1 / 3 Throw, negative rate (x – 3) = 0 x = 3 mph rate man rowing in calm water.
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