Question: A person 250 mi from home starts toward home and travels at 60 mi/h for the first 2.0 h and then slows down to 40

A person 250 mi from home starts toward home and travels at 60 mi/h for the first 2.0 h and then slows down to 40 mi/h for the rest of the trip. How long does it take the person to be 70 mi from home?

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