a light house 1 flashes its light every 15 mins.A light house 2 flashes its light every 18 if the two lighthouse flash together at 1 am what time will they flash together next?

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Nick Cartwright asked Oct 27, 2023

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a light house 1 flashes its light every 15 mins.A light house 2 flashes its light every 18 if the two lighthouse flash together at 1 am what time will they flash together next?

Mathematics
high-school

Nick Cartwright asked Oct 27, 2023

by Nick Cartwright

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1 Answer

19 votes

Answer:

2:30 am

Explanation:

The lcm of 15 and 18 is 90, so add 90 min to 1 am

ManOx answered Nov 2, 2023

by ManOx

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