sstrike's answer to Kei Chua's Primary 6 Maths Data Analysis Singapore question.
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Song Kee used up all for both cases
LCM → 4 , 5 → 20
in total
♥ Song Kee ⇨ 20u
♥ Gregary ⇨ 25u+112=16u+139
Ans: 247
LCM → 4 , 5 → 20
in total
♥ Song Kee ⇨ 20u
♥ Gregary ⇨ 25u+112=16u+139
Ans: 247
Date Posted:
3 years ago
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