SOLUTION: A canoeist travels 60 miles at a certain speed. The canoeist travels 18 miles on the second part of the trip at a speed of 5 mph slower. The total time for the trip is 3 hours, Wha
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Question 279660: A canoeist travels 60 miles at a certain speed. The canoeist travels 18 miles on the second part of the trip at a speed of 5 mph slower. The total time for the trip is 3 hours, What was the speed on each part of the trip.
I tried this and just cant get it, would love to see your step by step solution.
Thankyou
Answer by scott8148(6628) (Show Source): You can put this solution on YOUR website!
time equals distance divided by rate
(60 / x) + (18 / (x - 5)) = 3
multiplying by x(x - 5) ___ 60x - 300 + 18x = 3(x^2 - 5x)
0 = x^2 - 31x + 100
use quadratic formula to find x
this canoe must have a motor on it...
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