Solve. -Bill Swims at a Speed of 6.1 Mph in Still

question 174

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

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