Math

posted by Rayray

Charlotte is training for a marathon. Right now she is 21km from home. She is running toward home at a rate of 10 km per hour.(Let x=time(in hours); y=distance from home (in km).) [lHint: Charlottle's distance from home is decreasing.]

  1. Reiny

    There is no question in your post.

    Do you want the equation for the distance she is from home?

    then

    y = -10x + 21 , where x and y are as defined

  2. rayray

    can u help me put it in a table format

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