alyssa :)'s answer to Vera's Primary 6 Maths Geometry Singapore question.

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alyssa :)
Alyssa :)'s answer
1 answers (A Helpful Person)
9x3=27 (this is because there are 9 groups of 3, these are the pies that are not free)

9x1=9 (this is because there are 9 groups of 1, these are the free pies)

27+9=36 (this is the total number of pies bought)

Ans: 36