Math Problem Statement
Train A covers 240 miles in the same time train B covers 180 miles. If the average speed of train A is 20 mph more than that of train B, then what is the average speed of train B? Question 20Select one:
a. 90
b. 60
c. 80
d. 70
Solution
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Math Problem Analysis
Mathematical Concepts
Algebra
Distance-Speed-Time Relationship
Linear Equations
Formulas
Time = Distance / Speed
Theorems
-
Suitable Grade Level
Grades 8-10
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