On a 220 mi trip, a car traveled at an average speed of 50 mph and then reduced its average speed to 35 mph for the remainder of the trip. The trip took a total of 5 h. How long did the car travel at each speed?
Added by Tom-S P.
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Let \( t_2 \) be the time (in hours) the car traveled at 35 mph. Show more…
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