SOLUTION: A motorboat can go 48 miles downstream on a river in 1 hour. It takes 1.5 hours for this boat to go back upstream the same 48 miles. Find the speed of the current and the boat (in

Question 435782: A motorboat can go 48 miles downstream on a river in 1 hour. It takes 1.5 hours for this boat to go back upstream the same 48 miles. Find the speed of the current and the boat (in mph).
Answer by ewatrrr(24785) (Show Source): You can put this solution on YOUR website!



Hi

Let x and c represent the speed of the boat and current respectively

Question states***

  x + c =  48mph  |r = D/t = 48mi/1hr

  x - c =  32mph  |r = 48mi/1.5hr

   2x = 80mph

    x = 40mph, speed of boat.  The current is 8mph (48mph-40mph) 

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