Marge, traveling at a constant rate, covered the 90 miles of her trip to Carmel on the freeway. She had to take secondary roads for the remaining 100 miles of the trip. Her average speed for the second part of the trip was 15 mph slower than the first part and took ¾ of an hour longer. Find her average speed for each part of the trip.

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hero · Answer

Well, I think the best way to go about this is to just start with what you're given and make a chart