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A person swims 11 miles downriver in the same time they can swim 7miles upriver. The speed of the current is 4 mph, find the speed of the person in still water
asked
Apr 19, 2022
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A person swims 11 miles
downriver in the same time
they can swim 7miles
upriver. The speed of the
current is 4 mph, find the speed of the person in still water
Mathematics
high-school
Cenny
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Cenny
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7 / x-4 = 11 / x+4
7x + 28 = 11x - 44
72 = 4x
Answer is x = 16
Fnkr
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Apr 24, 2022
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Fnkr
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