Math Problem Statement
Excluding stoppages, the speed of a bus is 54 km per hour. Including stoppages, it is 45 km per hour. What is the stoppage time of the bus in minutes per hour?
Solution
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Math Problem Analysis
Mathematical Concepts
Speed, Distance, Time
Proportions
Unit Conversion
Formulas
Speed = Distance / Time
Time = Distance / Speed
Theorems
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Suitable Grade Level
Grades 6-8