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Math Help - Motion Problem.

  1. #1
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    Need help with a Motion Problem.

    Ashley drove at an average speed of 60mi/h from her home in San Francisco to visit her sister in Tampa. She stayed in Tampa 10 hours, and on the trip back averaged 40mi/h. She returned home 44 hours after leaving. How many miles is San Francisco from Tampa?

    a) Write an equation using the information as it is given above that can be solved to answer this question. Use r as your varible to represent the amount of time Ashley spent driving from San Francisco to Tampa.
    Equation:

    b) How many miles is San Francisco from Tampa?
    Answer:
    Last edited by allday510; January 15th 2012 at 10:18 AM. Reason: Forgot the variables.
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  2. #2
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    Re: Please need help. Motion Problem.

    Please reread your problem. It is missing all figures. Also, please show our attempt at the solution.
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  3. #3
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    Re: Motion Problem.

    Sorry about that, the correct figures are in. Solve away.
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  4. #4
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    Re: Motion Problem.

    Go back and read emakarov's response again!
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  5. #5
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    Re: Motion Problem.

    I did, i dont understand how to make it show your attempts.
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  6. #6
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    Re: sanajulet888

    Suppose that Ashley spent r hours driving from San Francisco to Tampa.

    (1) Using Ashley's speed from San Francisco to Tampa, express the distance from San Francisco to Tampa through r.
    (2) Use the distance from (1) and Ashley's speed from Tampa to San Francisco to express the driving time from Tampa to San Francisco through r.
    (3) The driving time from San Francisco to Tampa, i.e., r, plus 10 hours plus the driving time from Tampa to San Francisco from (2) equals total trip time.
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  7. #7
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    Re: sanajulet888

    I understand all that. I am asking what would the equation be and the amount of time you got for san francisco to tampa.
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  8. #8
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    Re: sanajulet888

    Quote Originally Posted by allday510 View Post
    I am asking what would the equation be and the amount of time you got for san francisco to tampa.
    I understand what you are asking. I still suggest you go through the steps in post #6. If you actually do them, you may be surprised by what you get in the end.
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