Lt1 = 45; Lt2 = 120; Lt3 = 75
:
Prime factor each:
45: 3,3,5,
120: 2,2,2,3,5
75: 3,5,5
:
Lcm of all three: 2,2,2,3,3,5,5 Multiply this: 1800 secs they will all Flash
:
1800/60 = 30 min: At 9:05Pm this should occur
Answer:
the answer to the question is -5/3
I think the answer is 320miles,
3hs at 60mph = 180miles
2hs at 70mph = 140miles
so 180+140=320miles
Answer =3/10
Adding all the frequency... 13+6+9+12=40
And we looking probability of picking yellow... Hence... Yellow /total =12/40
Hence giving 3/10
