Multiple Choice
Solve.
-Bill swims at a speed of 6.1 mph in still water. The river he's in flows at a speed of 2.3 mph. How long will it take Bill to swim 2.1 mi upstream? Round your answer to the nearest tenth of an hour, if necessary.
A) 0.6 hr
B) 8 hr
C) 1.8 hr
D) 0.3 hr
Correct Answer:

Verified
Correct Answer:
Verified
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