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Mathematics, 20.09.2020 05:01 lenaaemersonn2

Mel and Rob set the alarms on their phones to sound at 6:45am. Both alarms sound together at 6:45am

Mel’s alarm then sounds every 9 minutes.

Rob’s alarm then sounds every 12 minutes.

At what time will both alarms next sound together?

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Mel and Rob set the alarms on their phones to sound at 6:45am. Both alarms sound together at 6:45...

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