Mathematics, 01.10.2019 00:30 joelhtx

Two neon signs are turned on at the same time. both signs blink as they are turned on.
one sign blinks every 9 seconds. the other sign blinks every 15 seconds. in how many
seconds will they blink together again?

Answers: 3

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Two neon signs are turned on at the same time. both signs blink as they are turned on.
one sig...