Bubu's answer to Derrick Ong's Primary 5 Maths Whole Numbers Singapore question.
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Since equal number of boys and girls left! The difference between the number of boys and girls have to remain the same!
2 units => 138-86= 52
1 unit => 26
2 units => 138-86= 52
1 unit => 26
Date Posted:
5 years ago
To find the number of boys! Do 3 units => 26*3 = 78
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