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secondary 4 | E Maths
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Gracee1412
Gracee1412

secondary 4 chevron_right E Maths

How do i tackle question 9?
It's under the revision topic of Numbers and Algebra.

Date Posted: 2 years ago
Views: 173
Guan Ri Oh
Guan Ri Oh
2 years ago
Lowest common multiple

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Koh Poh San
Koh Poh San's answer
3 answers (Tutor Details)
1st
You have to find the LCM of 3,4 and 6.

Multiples of 3: 3, 6, 9, 12, …
Multiples of 4: 4, 8, 12, …
Multiples of 6: 6, 12, …

Thus, the LCM of 3, 4 and 6 is 12.

0900+1200=2100

He will take all three pills together again at 2100.