David rowed a boat upstream for three miles and then returned to point he started from.
the e...
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Mathematics, 30.08.2019 17:40 kaitie60
David rowed a boat upstream for three miles and then returned to point he started from.
the entire journey took four hours.
the speed of the stream is one mile per hour.
find david's speed in still water.
david's speed in still water is ? miles per hour?
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