April Ang Zihui's answer to Amirah tanisha's Primary 4 Maths Singapore question.
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The first thing you should do is to list down the multiples of 9 and 12 :)
When you list down the multiples of 9, it means that Bus A arrives every 9 minutes (1:09pm.. 1:18pm.. etc)
Find the common multiple of 9 and 12 like i did in the photo, then add it to the time!
When you list down the multiples of 9, it means that Bus A arrives every 9 minutes (1:09pm.. 1:18pm.. etc)
Find the common multiple of 9 and 12 like i did in the photo, then add it to the time!
Date Posted:
1 year ago
Thanks a lot
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