Solve. -Jan Swims at a Speed of 4.9 Mph in Still

question 100

Multiple Choice

Solve.
-Jan swims at a speed of 4.9 mph in still water. The river she's in flows at a speed of 3.4 mph. How long will it take Jan to swim 1.3 mi downstream? Round your answer to the nearest tenth of an hour, if necessary.

• A)0.9 hr
• B)10.8 hr
• C)0.2 hr
• D)6.4 hr

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