Math Problem Statement
A passenger train's speed is 60 mi/hr and a freight train's speed is 40 mi/hr. The passenger train travels the same distance in 1.5 hr less time than the freight train. How long does the freight train take to make the trip?
Solution
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Math Problem Analysis
Mathematical Concepts
Algebra
Linear Equations
Distance-Speed-Time Relationship
Formulas
Distance = Speed × Time
Theorems
Equating distances for both trains based on speed and time
Suitable Grade Level
Grades 6-8