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Question
primary 6 | Maths
| Data Analysis
3 Answers Below
Anyone can contribute an answer, even non-tutors.
Please teach me. Thanks
Date Posted: 5 years ago
Views: 332
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The question is incomplete. There are two scenarios that can fit all the sentences in the question, but yet end up with 2 difference answers.
Date Posted:
5 years ago
For the second scenario at the bottom, the total number of people in room X should total up to 45+15=60 NOT 70
Oops. Your ans is good.
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tip: keep in mind that total = girls + boys and work towards reducing the equation to just 1 subject
Date Posted:
5 years ago
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Draw X boy, Y boy first. Then X girls. Then Y girls.
Date Posted:
5 years ago
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