Asked by Ruby

On the first part of a trip to Carmel traveling on the​ freeway, Marge averaged 70 mph. On the rest of the​ trip, which was 25 mi longer than the first​ part, she averaged 60mph. Find the total distance to Carmel if the second part of the trip took 30 minutes more than the first part.
Answered by Steve
Since distance = speed * time,

70t + 25 = 60(t + 1/2)
t = 1/2

So,
70mi/hr for 1/2 hr = 35mi
60mi/hr for 1 hr = 60mi = 35+25 mi
Answered by liz
its 95 mi.
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