at two crosswords signals, light change after every 25 seconds and 45 seconds respectively .if they change together at 9 :20 am , then when will they change together next?
Answers
Answered by
1
Step-by-step explanation:
25=5×5
45=3×3×5
LCM of 25 and 45=225
Therefore the two crossword signals will chge together after 225 seconds (3 minutes 45 seconds)
Therefore two crosswords will change together next at 9:23:45
Answered by
0
Answer:
at two crosswords signals light change after every 25 second and 45 second
Step-by-step explanation:
hii what is your name and where are you live
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