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College Math

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The posted speed limit on many U.S. highways is 65 miles per hour. What is this speed in feet per second?

My answer was 5720 feet per second.
The other answers that would be a possibility are: (A)3600 feet per second, (B)95 1/3 feet per second, (C) 5720 feet per second, which is the one I picked, and (D) 343200 feet per second.

Is my answer correct?

  • College Math -

    No.

    1 mile = 5,280 feet

    1 hour = 3,600 seconds

  • College Math -

    So the answer would be 95 1/3. the figuring out on this would be 65 x 3600 devided by 5280 and that is how I got this answer.

  • College Math -

    Yes. 95 1/3 is correct.

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