JADE LEE ZI QI's answer to Lena's Primary 5 Maths Whole Numbers Singapore question.

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JADE LEE ZI QI
Jade Lee Zi Qi's answer
8 answers (Tutor Details)
M is markers

8 markers - $6 = total she have
3 markers + $9 = total she have

1 into 2

8marker - $6 = 3 marker + $9
1 marker = 3

Total she have

M into 1

8(3) - 6 = $18