Ratios & Percentageshard
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A man rows a boat upstream against a current. The speed of the stream is of his rowing speed in still water. If the rowing speed increases by and the stream speed decreases by , what is the percentage increase in his upstream speed?
A man rows a boat upstream against a current. The speed of the stream is of his rowing speed in still water. If the rowing speed increases by and the stream speed decreases by , what is the percentage increase in his upstream speed?