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QUESTION
Solve the problem. On a recent trip, Sarah's car traveled 20 mph faster on teh first 140 miles than it did on the remaining 80 miles. The total time...
Solve the problem. On a recent trip, Sarah's car traveled 20 mph faster on teh first 140 miles than it did on the remaining 80 miles. The total time for the trip was 4 hours. Find the speed of Sarah's car on the first part of the trip.
