NG BAN WAH's answer to Pinky's Primary 6 Maths Ratio Singapore question.

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NG BAN WAH
Ng Ban Wah's answer
385 answers (Tutor Details)
1st
I think there's an error. As you can see in the model, we would not be able to divide into 7 units from a total of 227 people.
NG BAN WAH
NG BAN WAH
2 years ago
So, I agree that it would be possible if we change 345 to 375.