Solve the problem.Ken and Kara are 33 miles apart on a calm lake paddling toward each other. Ken paddles at 4 miles per hour, while Kara paddles at 7 miles per hour. How long will it take them to meet?

A. 2 hr
B. 3 hr
C. 22 hr
D. 11 hr


Answer: B

Mathematics

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A.
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B. x = 
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