Jeongyeon's school is 5km away from her home. On Monday, she biked to school at an average speed of 20 km/h, but before going home, her friend Dahyun borrowed her bike. Jeongyeon walked home. If her total travel time is 80 minutes, how fast did she walk home? 3.2 km/h 4.6 km/h 5.3 km/h 2.4 km/h

Jeongyeon's school is 5km away from her home. On Monday, she biked to school at an average speed of 20 km/h, but before going home, her friend Dahyun borrowed her bike. Jeongyeon walked home. If her total travel time is 80 minutes, how fast did she walk home? 3.2 km/h 4.6 km/h 5.3 km/h 2.4 km/h

Algebra: Structure And Method, Book 1

(REV)00th Edition

ISBN:9780395977224

Author:Richard G. Brown, Mary P. Dolciani, Robert H. Sorgenfrey, William L. Cole

Publisher:Richard G. Brown, Mary P. Dolciani, Robert H. Sorgenfrey, William L. Cole

Chapter8: Introduction To Functions

Section8.10: Inverse Variation

Problem 4E

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Question

Jeongyeon's school is 5km away from her home. On
Monday, she biked to school at an average speed of 20
km/h, but before going home, her friend Dahyun
borrowed her bike. Jeongyeon walked home. If her total
travel time is 80 minutes, how fast did she walk home?
3.2 km/h
O 4.6 km/h
O 5.3 km/h
2.4 km/h

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