Asked by Najmah
Story Problem - Factoring
An "A" train leaves a subway station every 13 minutes. An "E" train leaves evry 9 minutes. If both trains just left the station on parallel tracts, when will both leave the station together again?
An "A" train leaves a subway station every 13 minutes. An "E" train leaves evry 9 minutes. If both trains just left the station on parallel tracts, when will both leave the station together again?
Answers
Answered by
Steve
Since LCM(9,13) = 9*13 = 117
After 117 minutes,
9 A trains will have left,
13 E trains will have left
and then the cycle starts over.
Trains run on tracks, not tracts.
After 117 minutes,
9 A trains will have left,
13 E trains will have left
and then the cycle starts over.
Trains run on tracks, not tracts.
Answered by
ashley
117minutes
Answered by
Alissson
Since LCM(9,13) = 9*13 = 117
After 117 minutes,
9 A trains will have left,
13 E trains will have left
and then the cycle starts over.
Trains run on tracks, not tracts. ~Alisson~
After 117 minutes,
9 A trains will have left,
13 E trains will have left
and then the cycle starts over.
Trains run on tracks, not tracts. ~Alisson~
Answered by
A name
One hundred seventeen mins.
And Alisson, you just copied and pasted what Steve wrote.
And Alisson, you just copied and pasted what Steve wrote.
Answered by
Mousefur
Ur all wrong 177 is not even an answer choice. Im on the same quiz the options are
A. 108
B. 36
C. 72
D. 24
And idk what the answer is
A. 108
B. 36
C. 72
D. 24
And idk what the answer is
Answered by
Answer Helper
I agree