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Julie drives 100 mi to grandmother's house. On the way, Julie drives half the distance at 40 mph and half the distance at 60 mph. On her return trip, she drives half the time at 40 mph and half the time at 60 mph.

(A) How long does it take Julie to complete the trip to grandmother's house?

(B) How long does the return trip take?

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Category:- Physics
Reference No.:- M9891026

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