Fermi
·
Concept Library
·
Courses
·
Books
·
Problems
·
Simulations
·
Math Wiki
·
High School
Fermi
›
Problems
Mathematics
Mathematics
Problem
A train travels 360 km at its usual speed. Had the speed been 5 km/h less, the journey would have taken 1 hour longer. What is the usual speed of the train? a)
48
km/h
48\ \text{km/h}
48
km/h
b)
45
km/h
45\ \text{km/h}
45
km/h
c)
40
km/h
40\ \text{km/h}
40
km/h
d)
44
km/h
44\ \text{km/h}
44
km/h
Browse the problem library