elinnadikwe5 elinnadikwe5

12-09-2020
Mathematics

contestada

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?

Respuesta :

nonoisomgcool1 nonoisomgcool1

12-09-2020

Answer:

7:21 am

Step-by-step explanation:

9 18 27 36

12 .24 36

36 minutes later

Answer Link

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