SOLUTION: A boat travels 45 mi to an island and 45 mi back again. Changes in the wind and tide made the average speed on the return trip 3 mph slower than the speed on the way out. If the

Question 105277: A boat travels 45 mi to an island and 45 mi back again. Changes in the wind and tide made the average speed on the return trip 3 mph slower than the speed on the way out. If the total time of the trip took 6.75 hr, find the speed going to the island and the speed of the return trip.
Word problems are a problem for me. Do you set this up as 45x=45x-3??

Answer by scott8148(6628) (Show Source): You can put this solution on YOUR website!
t=d/r ... try (45/x)+(45/(x-3))=6.75
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