Answer:
40 minutes
Step-by-step 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
4/2, 2/7, 1/2, 5/6 is your answer
6.5 Hours
Divide 338 by 52 to get the answer
A,D,C
