A student drives the 100-mi trip back to campus after spring break and travels with an average speed of 52 mi/h for 1 hour and 30 minutes for the first part of the trip.
(a) What distance was traveled during this time?
(b) Traffic gets heavier, and the last part of the trip takes another half-hour. What was the average speed during this leg of the trip?
(c) Find the average speed for the total trip.
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