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Write a word problem involving fractions about the distance between two friend house that are in opposite directions from the library?

User ChristianB
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Person A's house is 8km from the library, and his friend B's house is in the opposite direction. Suppose it takes person A 3h to walk to B's house and back, and 1h to walk to the library and back, how far is B's house to the library (assuming person A always walks with constant speed)?

Answer: 16km (involves fractions because you use ratio of time and ratio of distances)
User Jesse Buchanan
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