Question
P4.WN.JC.17100603-A1
Carl was trying to sleep one night but there was too much noise around him. His clock ticked every 20 seconds, a tap was dripping every 18 seconds and his dog snored every 16 seconds. He noticed on his clock that all 3 things happened together at 7 p.m.
  1. At what time would all 3 things happen together again?
  2. How many times would all 3 things happen together again from 7 p.m. to 8 p.m.?
4 m
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Primary 4 WHOLE NUMBERS P4.WN.JC.17100603

28 Jun 2024, 05:25 PM

Carl was trying to sleep one night but there was too much noise around him. His clock ticked every 20 seconds, a tap was dripping every 18 seconds and his dog snored every 16 seconds. He noticed on his clock that all 3 things happened together at 7 p.m.
  1. At what time would all 3 things happen together again?
  2. How many times would all 3 things happen together again from 7 p.m. to 8 p.m.?
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