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Posted by on Monday, November 26, 2012 at 11:07am.

Alicia went on a steamboat ride up the Mississippi River. The boat travels 20 miles per hour in still water. How long will it take her to travel 144 miles upstream if the current of the river is 8 miles per hour?

  • math - , Monday, November 26, 2012 at 11:35am

    the upstream speed will be 20-8 = 12 mph

    144/12 = 12, so 12 hours

  • math - , Monday, December 3, 2012 at 5:24pm

    10 hours. Don't forget that the water is not still.

  • math - , Tuesday, February 19, 2013 at 2:05pm

    That is not right the answere is 5

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