Question 1107351
A lady travels 90 mph on her way to work. On her way home she travels 80 mph. Her trip home takes 1/8 longer because of congestion. How long was the trip?
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1/8 of what?
If you mean 1/8 longer than the time for the trip at 90 mi/hr:
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d = 90t = = 80*(1.125t)
90t = 90t
No unique solution.