SOLUTION: The distance between two cities is one hundred miles, and a woman drives from one city to the other at a rate of fifty mph. At what rate must she return if the total travel time is
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Question 252758: The distance between two cities is one hundred miles, and a woman drives from one city to the other at a rate of fifty mph. At what rate must she return if the total travel time is three hours and forty minutes?
Answer by richwmiller(17219) (Show Source): You can put this solution on YOUR website!
So far she has traveled for 2 hours
50*2=100
rt=d
r*5/3=100
r=100*3/5
r=60 mph
60*5/3=100
5/3=1 2/3=1 hr 40 min
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