Mathematics: Tom and amy set the alarms on their phones to sound at 6: 45am. both alarms sound together at 6: 45am. toms alarm then sounds every 9 minutes. amy s alarm then sounds evrey 12 minutes. at what time will both alarms next sound together?

Tom and amy set the alarms on their phones to sound

Ответ:

mads3499

31.05.2020

Mathematics

36 is a multiple of both 12 and 9, so it could be 36 minutes later?

So it should be 7:21am

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Ответ:

bxbysoso

31.05.2020

Mathematics

36 minutes. ie 7:21 am
here is how yuo do it. find the least common factor, which is 3. from here you divide both by 3, you get 3 and 4, multiply the 12 by 3 and the 9 by 4 and boom 36 minutes lader :DDD

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Ответ:

chaserandall2004

12.09.2021

Mathematics

You would do 303 subtract 87. you get 216. 216/12 = 18 therefore it takes him 18 hours

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Tom and amy set the alarms on their phones to sound at 6: 45am. both alarms sound together at 6: 45am. toms alarm then sounds every 9 minutes. amy's alarm then sounds evrey 12 minutes. at what time will both alarms next sound together?

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