Math, asked by Goutami6483, 9 months ago

A traffic light at a crossing changes after every 45 seconds and the one at the next crossing changes after every 30 seconds. At 8:00 a.m. they both change together when will they next change at the same time?

Answers

Answered by 159372468

1

Answer:

next time the will change together =after (LCM of 45 and 30) seconds =after 90 seconds

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