Asked by mercy
Andrea made a car trip of 440 Kilometers. She averaged 54 Kilometers per hour for the frst part of the trip and 80 kilometers per hour for the secound part. If the total trip took 6 hours, how long was she traveling at 80 kilometers per hour?
Answers
Answered by
MathMate
Distance for second part = x km
Distance for the first part = 440-x km
Total time:
(440-x)/54 + x/80 = 6 hours.
Solve for x.
Distance for the first part = 440-x km
Total time:
(440-x)/54 + x/80 = 6 hours.
Solve for x.
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