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primary 6 | Maths | Geometry
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Lee
Lee

primary 6 chevron_right Maths chevron_right Geometry chevron_right Singapore

Can anyone pls help me asap thanks

Date Posted: 4 years ago
Views: 231

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We need to find the lowest common multiple of 4, 6 and 9.

The LCM of the three numbers is 36.

36 minutes after 17:45 is 18:21.

So the three lights will all light again at 18:21.
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Han Zhi Yuan
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