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Posted by on Thursday, February 9, 2012 at 7:31pm.

If two car are traveling in opposite directions and have average speeds of 45 mph and 55 mph, what equation shows that the cars are 250 miles apart after t hours?

  • algebra 1 - , Thursday, February 9, 2012 at 8:38pm

    7x over 9

  • algebra 1 - , Thursday, February 9, 2012 at 10:20pm

    The options are:
    45t=55t+250
    45t+55t=250
    55t-45t=250
    or 50t=250

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