Sarah Unicorn Girl's answer to sarah's Primary 6 Maths Algebra Singapore question.

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Sarah Unicorn Girl
Sarah Unicorn Girl's answer
1 answers (A Helpful Person)
Rows= 4+1+4 = 9
Columns= 4+1+7 = 12
therefore, rows x colomns= 9 x 12 = 108 chairs in the hall.

hope that helps!!