A boat on a river travels downstream between two points, 80 mi apart, in one hou

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A boat on a river travels downstream between two points, 80 mi apart, in one hour. The return trip against the current takes 

2
1
2
 hours. What is the boat's speed (in still water)?
  mph

How fast does the current in the river flow?
  mph
Apr 20th, 2015

boat speed =56 mph

current speed = 24 mph

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Apr 20th, 2015

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Apr 20th, 2015
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Apr 20th, 2015
Jun 28th, 2017
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