SOLUTION: 89 miles at a certain speed. the canoist travels 12 miles on the second part of the trip 5 mph slower.the total time for trip was 4 hours What was the speed on the first part of t

Question 363670: 89 miles at a certain speed. the canoist travels 12 miles on the second part of the trip 5 mph slower.the total time for trip was 4 hours
What was the speed on the first part of the trip
Answer by ankor@dixie-net.com(22740) (Show Source): You can put this solution on YOUR website!
89 miles at a certain speed. the canoist travels 12 miles on the second
part of the trip 5 mph slower.
the total time for trip was 4 hours
What was the speed on the first part of the trip
:
obviously, the 1st part is not 89 miles, assume it's 8 miles
Let s = his speed on the 1st part
then
(s-5) = his speed on the last 12 mi
:
Write a time equation: Time = dist/speed
+ = 4
:
This is the equation, if the first part is not 8 miles, replace it, solve for s
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