3 years ago

URGENT HELP PLEASE

2 answers:

7 0

Large bell = 4 mins
Old bell = 7 mins
Small bell = 3 mins

LCM = 4 x 7 x 3 = 84

It will ring together again after 84 mins.

84 mins after 10am = 11:24

-----------------------------------------------
Answer: 11:24
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ioda3 years ago

4 0

Old bell: once every 7 minutes
Small bell: once every 3 minutes.
Large bell: 4 minutes

The first time they will ring together is at the lowest common multiple of 7,3 and 4.

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