Question

Use the subway train schedule below to answer the question.

___________________
I Train Schedule I
I Train Arrives Every... I
I Red line 4 minutes I
I Blue line 5 minutes I
I Yellow line 6 minutes I
TTTTTTTTTTTTTTTTTTTT
All three trains just arrived at the station. When will they next all arrive at the station at the same time?


They will all arrive at the station in HOW MANY minutes.

Answer 1

40 min


Idek why but yh

Answer 2

40 minutes

Explanation:

The least common multiple of 8 minutes and 10 minutes is ...

LCM(8, 10) = 8·10/GCD(8, 10) = 80/2 = 40

The red and blue trains will arrive together again in 40 minutes