Monaz's answer to Claudia Chong's Primary 6 Maths Singapore question.

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Monaz
Monaz's answer
9 answers (A Helpful Person)
1st
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Ruth Sin
Ruth Sin
3 years ago
The number of buttons for the breadth is incorrect.
Monaz
Monaz
3 years ago
Orh... how many should it be ?

Ah my mistakes .... it should be 4

So,
B = 3x42 = 126