Question
Asked Oct 12, 2019
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Traveling against the current, it takes a boat h hours to go m miles. Traveling with the current, the boat takes k hours to go m miles. Is h less than, equal to, or greater than k?

less than
equal to    
greater than
cannot determine
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Expert Answer

Step 1

Let x miles per hour be the speed of boat in still water and let c miles per hour be the speed of current

Step 2

When the boat travels in same direction as current, then resultant speed of boat=x+y

When the boat travels against  current, then resultant speed of boat=x-y

Step 3

Distance travelled in both cases is m miles . Also...

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Image Transcriptionclose

m )k т- (x-у)h (*+у)k-(*-у)h т 3D (x+у

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