Math Problem Statement
Every day, office closed by 5 p.m. The boyfriend's job is to pick up girlfriend from office and drop her head home. One day, office closed by 3 p.m. She started a walking. The boy met the girl on the way and dropped the girl at home 40 minutes early. If girl walking speed is 5 km per hour, find the boy bike speed.
Solution
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Math Problem Analysis
Mathematical Concepts
Speed, Distance, Time Problems
Formulas
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Theorems
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Suitable Grade Level
Grades 9-12
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