You allow 40 min to drive 25 mi to the airport, but youre caught in heavy traffic and
Chapter 2, Problem 43(choose chapter or problem)
You allow 40 min to drive 25 mi to the airport, but youre caught in heavy traffic and average only 20 mi/h for the first 15 min. What must your average speed be on the rest of the trip if youre to make your flight?
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