Solve.Jan swims at a speed of 4.6 mph in still water. The river she's in flows at a speed of 3.5 mph. How long will it take Jan to swim 2.9 mi downstream? Round your answer to the nearest tenth of an hour, if necessary.
A. 0.4 hr
B. 2.6 hr
C. 23.5 hr
D. 2.8 hr
Answer: A
Mathematics
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