SOLUTION: While driving to Northridge, Mrs. Lockwood averages 40 mph. On the return trip, she averages 56 mph and saves two hours of traveling time. How far from Northridge does she live?

Question 1120805: While driving to Northridge, Mrs. Lockwood averages 40 mph. On the return trip, she averages 56 mph and saves two hours of traveling time. How far from Northridge does she live?
Answer by josgarithmetic(39620) (Show Source): You can put this solution on YOUR website!
Assuming the 2 hour drive time was saved on the return trip compared to the TO trip, same distance d each way,

Solve for d.
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