light a flashes every 5 seconds Light b flashes every 6 seconds light c flashes every 7 seconds work out how long it will take for all of them to flash

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Paul Preibisch asked Jun 17, 2023

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light a flashes every 5 seconds Light b flashes every 6 seconds light c flashes every 7 seconds work out how long it will take for all of them to flash

Mathematics
high-school

Paul Preibisch asked Jun 17, 2023

by Paul Preibisch

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1 Answer

13 votes

Answer:

210 seconds

Explanation:

LCM of 5,6 and 7

Ezaldeen Sahb answered Jun 22, 2023

by Ezaldeen Sahb

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