SOLUTION: During the first part of a canoe trip, covered 81 miles at a certain speed. He then traveled 18 mile at a speed that was 5 slower. If the total time for the canoe trip was 5 hr, wh
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-> SOLUTION: During the first part of a canoe trip, covered 81 miles at a certain speed. He then traveled 18 mile at a speed that was 5 slower. If the total time for the canoe trip was 5 hr, wh
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Question 159072: During the first part of a canoe trip, covered 81 miles at a certain speed. He then traveled 18 mile at a speed that was 5 slower. If the total time for the canoe trip was 5 hr, what was his speed on each part of the trip? Answer by josmiceli(19441) (Show Source):
You can put this solution on YOUR website! For each part of the trip, and,
given: mi mi mi/hr hr hr
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(1)
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note that , so
Substituting from (1) above,
multiply both sides by
rearranging,
Solve this using the quadratic equation to find
Then use that to find and
