SOLUTION: a boat traveled donstream a distance of 51 miles and then came right back. if the sped of the current was 12 mph and the total trip took 5 hours and 40 minutes, find the average sp

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Question 972059: a boat traveled donstream a distance of 51 miles and then came right back. if the sped of the current was 12 mph and the total trip took 5 hours and 40 minutes, find the average speed of the boat relative to the water
Answer by josgarithmetic(39623) About Me  (Show Source):
You can put this solution on YOUR website!
____________________speed____________time_____________distance
downstr_____________r+12______________(?)_______________51
upstrm______________r-12______________(?)_______________51
Total_______________________________5%262%2F3

RT=D basic uniform rates travel relationship, rate time distance

____________________speed____________time_____________distance
downstr_____________r+12_____________51%2F%28r%2B12%29________________51
upstrm______________r-12_____________51%2F%28r-12%29________________51
Total_______________________________5%262%2F3