Time Train Takes
Source:
February 11, 2009
calculusfunctionanalytic geometrygraphing linessloperate problems
Problem Statement
How many hours does it take a train traveling at an average rate of mph between stops to travel miles it makes stops of minutes each?
(A)\ \frac{3a\plus{}2mn}{120} \qquad
(B)\ 3a\plus{}2mn \qquad
(C)\ \frac{3a\plus{}2mn}{12} \qquad
(D)\ \frac{a\plus{}mn}{40} \qquad
(E)\ \frac{a\plus{}40mn}{40}