Michelle Eng's answer to nicole's Secondary 1 Maths Singapore question.

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Michelle Eng
Michelle Eng's answer
9 answers (A Helpful Person)
1st
A) Need to use Lowest common multiple and once you done, you multiply all of it and you will get 540s = 9 mins.

B) Based in the 60 mins between 12 AM to 1 AM, how many times it will happen. So you will need to get 60 mins divide by 9 mins which will give u 6 times approximately
nicole
Nicole
2 years ago
thank you
Michelle Eng
Michelle Eng
2 years ago
Welcome :) Just need to break it down slowly and it will come to you.