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Mathematics, 29.02.2020 21:05 neariah24
You travel 3 miles downstream in a kayak at a speed of r miles per hour. You turn around and travel 4 miles upstream at a speed of 0.5r miles per hour. Finally, you turn around and return to your original starting point at a speed of r+1 miles per hour.
a)Write a model in simplified form for the total time t (in hours) of the trip.
b)How long does your trip take when r is 4 miles per hour?
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You travel 3 miles downstream in a kayak at a speed of r miles per hour. You turn around and travel...
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