algebra
posted by Nancy .
During the first part of a trip, a canoeist travels 69 miles at a certain speed. The canoeist travels 2 miles on the second part of the trip at a speed 5 mph slower. The total time for the trip is 3 hrs. What was the speed on each part of the trip?

T2 = 2mi / 5mi/h. = 0.4h.
T1 = 3  0.4 = 2.6h.