SOLUTION: I am completely confused on how to do this problem... Bert is 17.5 kilometers away from Brenda. Both begin to walk toward each other at the same time. Bert walks at 2 kilometers

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Question 262225: I am completely confused on how to do this problem...
Bert is 17.5 kilometers away from Brenda. Both begin to walk toward each other at the same time. Bert walks at 2 kilometers per hour. They meet in 5 hours. How fast is Brenda walking?
Please help! :)
Answer by Alan3354(69443) About Me  (Show Source):
You can put this solution on YOUR website!
Bert is 17.5 kilometers away from Brenda. Both begin to walk toward each other at the same time. Bert walks at 2 kilometers per hour. They meet in 5 hours. How fast is Brenda walking?
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They cover 17.5 km in 5 hours.
17.5/5 = 3.5 km/hr total speed.
Going in opposite directions, their speeds are added.
The sum is 3.5, and Bert is doing 2.
Brenda is walking at 1.5 km/hr.